Felipe Balbi [Wed, 27 Aug 2014 21:38:04 +0000 (16:38 -0500)]
usb: host: xhci: fix compliance mode workaround
commit
96908589a8b2584b1185f834d365f5cc360e8226 upstream.
Commit
71c731a (usb: host: xhci: Fix Compliance Mode
on SN65LVP3502CP Hardware) implemented a workaround
for a known issue with Texas Instruments' USB 3.0
redriver IC but it left a condition where any xHCI
host would be taken out of reset if port was placed
in compliance mode and there was no device connected
to the port.
That condition would trigger a fake connection to a
non-existent device so that usbcore would trigger a
warm reset of the port, thus taking the link out of
reset.
This has the side-effect of preventing any xHCI host
connected to a Linux machine from starting and running
the USB 3.0 Electrical Compliance Suite because the
port will mysteriously taken out of compliance mode
and, thus, xHCI won't step through the necessary
compliance patterns for link validation.
This patch fixes the issue by just adding a missing
check for XHCI_COMP_MODE_QUIRK inside
xhci_hub_report_usb3_link_state() when PORT_CAS isn't
set.
This patch should be backported to all kernels containing
commit
71c731a.
Fixes: 71c731a (usb: host: xhci: Fix Compliance Mode on SN65LVP3502CP Hardware)
Cc: Alexis R. Cortes <alexis.cortes@ti.com>
Cc: <stable@vger.kernel.org> # v3.2+
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jens Axboe [Tue, 16 Sep 2014 19:38:51 +0000 (13:38 -0600)]
genhd: fix leftover might_sleep() in blk_free_devt()
commit
46f341ffcfb5d8530f7d1e60f3be06cce6661b62 upstream.
Commit
2da78092 changed the locking from a mutex to a spinlock,
so we now longer sleep in this context. But there was a leftover
might_sleep() in there, which now triggers since we do the final
free from an RCU callback. Get rid of it.
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
J. Bruce Fields [Fri, 29 Aug 2014 20:25:50 +0000 (16:25 -0400)]
lockd: fix rpcbind crash on lockd startup failure
commit
7c17705e77b12b20fb8afb7c1b15dcdb126c0c12 upstream.
Nikita Yuschenko reported that booting a kernel with init=/bin/sh and
then nfs mounting without portmap or rpcbind running using a busybox
mount resulted in:
# mount -t nfs 10.30.130.21:/opt /mnt
svc: failed to register lockdv1 RPC service (errno 111).
lockd_up: makesock failed, error=-111
Unable to handle kernel paging request for data at address 0x00000030
Faulting instruction address: 0xc055e65c
Oops: Kernel access of bad area, sig: 11 [#1]
MPC85xx CDS
Modules linked in:
CPU: 0 PID: 1338 Comm: mount Not tainted 3.10.44.cge #117
task:
cf29cea0 ti:
cf35c000 task.ti:
cf35c000
NIP:
c055e65c LR:
c0566490 CTR:
c055e648
REGS:
cf35dad0 TRAP: 0300 Not tainted (3.10.44.cge)
MSR:
00029000 <CE,EE,ME> CR:
22442488 XER:
20000000
DEAR:
00000030, ESR:
00000000
GPR00:
c05606f4 cf35db80 cf29cea0 cf0ded80 cf0dedb8 00000001 1dec3086
00000000
GPR08:
00000000 c07b1640 00000007 1dec3086 22442482 100b9758 00000000
10090ae8
GPR16:
00000000 000186a5 00000000 00000000 100c3018 bfa46edc 100b0000
bfa46ef0
GPR24:
cf386ae0 c07834f0 00000000 c0565f88 00000001 cf0dedb8 00000000
cf0ded80
NIP [
c055e65c] call_start+0x14/0x34
LR [
c0566490] __rpc_execute+0x70/0x250
Call Trace:
[
cf35db80] [
00000080] 0x80 (unreliable)
[
cf35dbb0] [
c05606f4] rpc_run_task+0x9c/0xc4
[
cf35dbc0] [
c0560840] rpc_call_sync+0x50/0xb8
[
cf35dbf0] [
c056ee90] rpcb_register_call+0x54/0x84
[
cf35dc10] [
c056f24c] rpcb_register+0xf8/0x10c
[
cf35dc70] [
c0569e18] svc_unregister.isra.23+0x100/0x108
[
cf35dc90] [
c0569e38] svc_rpcb_cleanup+0x18/0x30
[
cf35dca0] [
c0198c5c] lockd_up+0x1dc/0x2e0
[
cf35dcd0] [
c0195348] nlmclnt_init+0x2c/0xc8
[
cf35dcf0] [
c015bb5c] nfs_start_lockd+0x98/0xec
[
cf35dd20] [
c015ce6c] nfs_create_server+0x1e8/0x3f4
[
cf35dd90] [
c0171590] nfs3_create_server+0x10/0x44
[
cf35dda0] [
c016528c] nfs_try_mount+0x158/0x1e4
[
cf35de20] [
c01670d0] nfs_fs_mount+0x434/0x8c8
[
cf35de70] [
c00cd3bc] mount_fs+0x20/0xbc
[
cf35de90] [
c00e4f88] vfs_kern_mount+0x50/0x104
[
cf35dec0] [
c00e6e0c] do_mount+0x1d0/0x8e0
[
cf35df10] [
c00e75ac] SyS_mount+0x90/0xd0
[
cf35df40] [
c000ccf4] ret_from_syscall+0x0/0x3c
The addition of svc_shutdown_net() resulted in two calls to
svc_rpcb_cleanup(); the second is no longer necessary and crashes when
it calls rpcb_register_call with clnt=NULL.
Reported-by: Nikita Yushchenko <nyushchenko@dev.rtsoft.ru>
Fixes: 679b033df484 "lockd: ensure we tear down any live sockets when socket creation fails during lockd_up"
Acked-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Larry Finger [Sun, 24 Aug 2014 22:49:43 +0000 (17:49 -0500)]
rtlwifi: rtl8192cu: Add new ID
commit
c66517165610b911e4c6d268f28d8c640832dbd1 upstream.
The Sitecom WLA-2102 adapter uses this driver.
Reported-by: Nico Baggus <nico-linux@noci.xs4all.nl>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Nico Baggus <nico-linux@noci.xs4all.nl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tejun Heo [Fri, 15 Aug 2014 20:06:10 +0000 (16:06 -0400)]
percpu: perform tlb flush after pcpu_map_pages() failure
commit
849f5169097e1ba35b90ac9df76b5bb6f9c0aabd upstream.
If pcpu_map_pages() fails midway, it unmaps the already mapped pages.
Currently, it doesn't flush tlb after the partial unmapping. This may
be okay in most cases as the established mapping hasn't been used at
that point but it can go wrong and when it goes wrong it'd be
extremely difficult to track down.
Flush tlb after the partial unmapping.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tejun Heo [Fri, 15 Aug 2014 20:06:06 +0000 (16:06 -0400)]
percpu: fix pcpu_alloc_pages() failure path
commit
f0d279654dea22b7a6ad34b9334aee80cda62cde upstream.
When pcpu_alloc_pages() fails midway, pcpu_free_pages() is invoked to
free what has already been allocated. The invocation is across the
whole requested range and pcpu_free_pages() will try to free all
non-NULL pages; unfortunately, this is incorrect as
pcpu_get_pages_and_bitmap(), unlike what its comment suggests, doesn't
clear the pages array and thus the array may have entries from the
previous invocations making the partial failure path free incorrect
pages.
Fix it by open-coding the partial freeing of the already allocated
pages.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Honggang Li [Tue, 12 Aug 2014 13:36:15 +0000 (21:36 +0800)]
percpu: free percpu allocation info for uniprocessor system
commit
3189eddbcafcc4d827f7f19facbeddec4424eba8 upstream.
Currently, only SMP system free the percpu allocation info.
Uniprocessor system should free it too. For example, one x86 UML
virtual machine with 256MB memory, UML kernel wastes one page memory.
Signed-off-by: Honggang Li <enjoymindful@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
James Ralston [Wed, 27 Aug 2014 21:31:58 +0000 (14:31 -0700)]
ata_piix: Add Device IDs for Intel 9 Series PCH
commit
6cad1376954e591c3c41500c4e586e183e7ffe6d upstream.
This patch adds the IDE mode SATA Device IDs for the Intel 9 Series PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hans de Goede [Thu, 11 Sep 2014 17:10:26 +0000 (10:10 -0700)]
Input: i8042 - add nomux quirk for Avatar AVIU-145A6
commit
d2682118f4bb3ceb835f91c1a694407a31bb7378 upstream.
The sys_vendor / product_name are somewhat generic unfortunately, so this
may lead to some false positives. But nomux usually does no harm, where as
not having it clearly is causing problems on the Avatar AVIU-145A6.
https://bugzilla.kernel.org/show_bug.cgi?id=77391
Reported-by: Hugo P <saurosii@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hans de Goede [Wed, 10 Sep 2014 20:53:37 +0000 (13:53 -0700)]
Input: i8042 - add Fujitsu U574 to no_timeout dmi table
commit
cc18a69c92d0972bc2fc5a047ee3be1e8398171b upstream.
https://bugzilla.kernel.org/show_bug.cgi?id=69731
Reported-by: Jason Robinson <mail@jasonrobinson.me>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dmitry Torokhov [Wed, 10 Sep 2014 20:50:37 +0000 (13:50 -0700)]
Input: atkbd - do not try 'deactivate' keyboard on any LG laptops
commit
c01206796139e2b1feb7539bc72174fef1c6dc6e upstream.
We are getting more and more reports about LG laptops not having
functioning keyboard if we try to deactivate keyboard during probe.
Given that having keyboard deactivated is merely "nice to have"
instead of a hard requirement for probing, let's disable it on all
LG boxes instead of trying to hunt down particular models.
This change is prompted by patches trying to add "LG Electronics"/"ROCKY"
and "LG Electronics"/"LW60-F27B" to the DMI list.
https://bugzilla.kernel.org/show_bug.cgi?id=77051
Reported-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Reported-by: Georgios Tsalikis <georgios@tsalikis.net>
Tested-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hans de Goede [Mon, 8 Sep 2014 21:39:52 +0000 (14:39 -0700)]
Input: elantech - fix detection of touchpad on ASUS s301l
commit
271329b3c798b2102120f5df829071c211ef00ed upstream.
Adjust Elantech signature validation to account fo rnewer models of
touchpads.
Reported-and-tested-by: Màrius Monton <marius.monton@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dmitry Torokhov [Sat, 30 Aug 2014 20:51:06 +0000 (13:51 -0700)]
Input: synaptics - add support for ForcePads
commit
5715fc764f7753d464dbe094b5ef9cffa6e479a4 upstream.
ForcePads are found on HP EliteBook 1040 laptops. They lack any kind of
physical buttons, instead they generate primary button click when user
presses somewhat hard on the surface of the touchpad. Unfortunately they
also report primary button click whenever there are 2 or more contacts
on the pad, messing up all multi-finger gestures (2-finger scrolling,
multi-finger tapping, etc). To cope with this behavior we introduce a
delay (currently 50 msecs) in reporting primary press in case more
contacts appear.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
John Sung [Tue, 9 Sep 2014 17:06:51 +0000 (10:06 -0700)]
Input: serport - add compat handling for SPIOCSTYPE ioctl
commit
a80d8b02751060a178bb1f7a6b7a93645a7a308b upstream.
When running a 32-bit inputattach utility in a 64-bit system, there will be
error code "inputattach: can't set device type". This is caused by the
serport device driver not supporting compat_ioctl, so that SPIOCSTYPE ioctl
fails.
Signed-off-by: John Sung <penmount.touch@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mikulas Patocka [Thu, 28 Aug 2014 15:09:31 +0000 (11:09 -0400)]
dm crypt: fix access beyond the end of allocated space
commit
d49ec52ff6ddcda178fc2476a109cf1bd1fa19ed upstream.
The DM crypt target accesses memory beyond allocated space resulting in
a crash on 32 bit x86 systems.
This bug is very old (it dates back to 2.6.25 commit
3a7f6c990ad04 "dm
crypt: use async crypto"). However, this bug was masked by the fact
that kmalloc rounds the size up to the next power of two. This bug
wasn't exposed until 3.17-rc1 commit
298a9fa08a ("dm crypt: use per-bio
data"). By switching to using per-bio data there was no longer any
padding beyond the end of a dm-crypt allocated memory block.
To minimize allocation overhead dm-crypt puts several structures into one
block allocated with kmalloc. The block holds struct ablkcipher_request,
cipher-specific scratch pad (crypto_ablkcipher_reqsize(any_tfm(cc))),
struct dm_crypt_request and an initialization vector.
The variable dmreq_start is set to offset of struct dm_crypt_request
within this memory block. dm-crypt allocates the block with this size:
cc->dmreq_start + sizeof(struct dm_crypt_request) + cc->iv_size.
When accessing the initialization vector, dm-crypt uses the function
iv_of_dmreq, which performs this calculation: ALIGN((unsigned long)(dmreq
+ 1), crypto_ablkcipher_alignmask(any_tfm(cc)) + 1).
dm-crypt allocated "cc->iv_size" bytes beyond the end of dm_crypt_request
structure. However, when dm-crypt accesses the initialization vector, it
takes a pointer to the end of dm_crypt_request, aligns it, and then uses
it as the initialization vector. If the end of dm_crypt_request is not
aligned on a crypto_ablkcipher_alignmask(any_tfm(cc)) boundary the
alignment causes the initialization vector to point beyond the allocated
space.
Fix this bug by calculating the variable iv_size_padding and adding it
to the allocated size.
Also correct the alignment of dm_crypt_request. struct dm_crypt_request
is specific to dm-crypt (it isn't used by the crypto subsystem at all),
so it is aligned on __alignof__(struct dm_crypt_request).
Also align per_bio_data_size on ARCH_KMALLOC_MINALIGN, so that it is
aligned as if the block was allocated with kmalloc.
Reported-by: Krzysztof Kolasa <kkolasa@winsoft.pl>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Keith Busch [Tue, 26 Aug 2014 15:05:36 +0000 (09:05 -0600)]
block: Fix dev_t minor allocation lifetime
commit
2da78092dda13f1efd26edbbf99a567776913750 upstream.
Releases the dev_t minor when all references are closed to prevent
another device from acquiring the same major/minor.
Since the partition's release may be invoked from call_rcu's soft-irq
context, the ext_dev_idr's mutex had to be replaced with a spinlock so
as not so sleep.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tejun Heo [Fri, 12 Sep 2014 19:14:30 +0000 (04:14 +0900)]
workqueue: apply __WQ_ORDERED to create_singlethread_workqueue()
commit
e09c2c295468476a239d13324ce9042ec4de05eb upstream.
create_singlethread_workqueue() is a compat interface for single
threaded workqueue which maps to ordered workqueue w/ rescuer in the
current implementation. create_singlethread_workqueue() currently
implemented by invoking alloc_workqueue() w/ appropriate parameters.
8719dceae2f9 ("workqueue: reject adjusting max_active or applying
attrs to ordered workqueues") introduced __WQ_ORDERED to protect
ordered workqueues against dynamic attribute changes which can break
ordering guarantees but forgot to apply it to
create_singlethread_workqueue(). This in itself is okay as nobody
currently uses dynamic attribute change on workqueues created with
create_singlethread_workqueue().
However,
4c16bd327c ("workqueue: implement NUMA affinity for unbound
workqueues") broke singlethreaded guarantee for ordered workqueues
through allocating a separate pool_workqueue on each NUMA node by
default. A later change
8a2b75384444 ("workqueue: fix ordered
workqueues in NUMA setups") fixed it by allocating only one global
pool_workqueue if __WQ_ORDERED is set.
Combined, the __WQ_ORDERED omission in create_singlethread_workqueue()
became critical breaking its single threadedness and ordering
guarantee.
Let's make create_singlethread_workqueue() wrap
alloc_ordered_workqueue() instead so that it inherits __WQ_ORDERED and
can implicitly track future ordered_workqueue changes.
v2: I missed that __WQ_ORDERED now protects against pwq splitting
across NUMA nodes and incorrectly described the patch as a
nice-to-have fix to protect against future dynamic attribute
usages. Oleg pointed out that this is actually a critical
breakage due to
8a2b75384444 ("workqueue: fix ordered workqueues
in NUMA setups").
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Mike Anderson <mike.anderson@us.ibm.com>
Cc: Oleg Nesterov <onestero@redhat.com>
Cc: Gustavo Luiz Duarte <gduarte@redhat.com>
Cc: Tomas Henzl <thenzl@redhat.com>
Fixes: 4c16bd327c ("workqueue: implement NUMA affinity for unbound workqueues")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Emmanuel Grumbach [Sun, 31 Aug 2014 19:11:11 +0000 (22:11 +0300)]
Revert "iwlwifi: dvm: don't enable CTS to self"
commit
f47f46d7b09cf1d09e4b44b6cc4dd7d68a08028c upstream.
This reverts commit
43d826ca5979927131685cc2092c7ce862cb91cd.
This commit caused packet loss.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mike Christie [Wed, 3 Sep 2014 05:00:39 +0000 (00:00 -0500)]
SCSI: libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
commit
db9bfd64b14a3a8f1868d2164518fdeab1b26ad1 upstream.
This patches fixes a potential buffer overrun in __iscsi_conn_send_pdu.
This function is used by iscsi drivers and userspace to send iscsi PDUs/
commands. For login commands, we have a set buffer size. For all other
commands we do not support data buffers.
This was reported by Dan Carpenter here:
http://www.spinics.net/lists/linux-scsi/msg66838.html
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Carpenter [Mon, 1 Sep 2014 17:27:29 +0000 (20:27 +0300)]
NFC: microread: Potential overflows in microread_target_discovered()
commit
d07f1e8600ccb885c8f4143402b8912f7d827bcb upstream.
Smatch says that skb->data is untrusted so we need to check to make sure
that the memcpy() doesn't overflow.
Fixes: cfad1ba87150 ('NFC: Initial support for Inside Secure microread')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Nicholas Bellinger [Wed, 17 Sep 2014 18:45:17 +0000 (11:45 -0700)]
iscsi-target: Fix memory corruption in iscsit_logout_post_handler_diffcid
commit
b53b0d99d6fbf7d44330395349a895521cfdbc96 upstream.
This patch fixes a bug in iscsit_logout_post_handler_diffcid() where
a pointer used as storage for list_for_each_entry() was incorrectly
being used to determine if no matching entry had been found.
This patch changes iscsit_logout_post_handler_diffcid() to key off
bool conn_found to determine if the function needs to exit early.
Reported-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joern Engel [Tue, 2 Sep 2014 21:49:54 +0000 (17:49 -0400)]
iscsi-target: avoid NULL pointer in iscsi_copy_param_list failure
commit
8ae757d09c45102b347a1bc2867f54ffc1ab8fda upstream.
In iscsi_copy_param_list() a failed iscsi_param_list memory allocation
currently invokes iscsi_release_param_list() to cleanup, and will promptly
trigger a NULL pointer dereference.
Instead, go ahead and return for the first iscsi_copy_param_list()
failure case.
Found by coverity.
Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sagi Grimberg [Wed, 2 Jul 2014 13:19:25 +0000 (16:19 +0300)]
Target/iser: Don't put isert_conn inside disconnected handler
commit
0fc4ea701fcf5bc51ace4e288af5be741465f776 upstream.
disconnected_handler is invoked on several CM events (such
as DISCONNECTED, DEVICE_REMOVAL, TIMEWAIT_EXIT...). Since
multiple events can occur while before isert_free_conn is
invoked, we might put all isert_conn references and free
the connection too early.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sagi Grimberg [Wed, 2 Jul 2014 13:19:24 +0000 (16:19 +0300)]
Target/iser: Get isert_conn reference once got to connected_handler
commit
c2f88b17a1d97ca4ecd96cc22333a7a4f1407d39 upstream.
In case the connection didn't reach connected state, disconnected
handler will never be invoked thus the second kref_put on
isert_conn will be missing.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johannes Pointner [Mon, 25 Aug 2014 08:04:00 +0000 (09:04 +0100)]
iio:inkern: fix overwritten -EPROBE_DEFER in of_iio_channel_get_by_name
commit
872687f626e033b4ddfaec1e410057cfc6636d77 upstream.
Fixes: a2c12493ed7e ('iio: of_iio_channel_get_by_name() returns non-null pointers for error legs')
which improperly assumes that of_iio_channel_get_by_name must always
return NULL and thus now hides -EPROBE_DEFER.
Signed-off-by: Johannes Pointner <johannes.pointner@br-automation.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Denis CIOCCA [Thu, 9 Oct 2014 12:55:00 +0000 (13:55 +0100)]
iio:magnetometer: bugfix magnetometers gain values
commit
a31d0928999fbf33b3a6042e8bcb7b7f7e07d094 upstream.
This patch fix gains values. The first driver was designed using
engineering samples, in mass production the values are changed.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment
commit
9e5846be33277802c0c76e5c12825d0e4d27f639 upstream.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio: st_sensors: Fix indio_dev->trig assignment
commit
f0e84acd7056e6d7ade551c6439531606ae30a46 upstream.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio: meter:
ade7758: Fix indio_dev->trig assignment
commit
0495081179212b758775df752e657ea71dcae020 upstream.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio: inv_mpu6050: Fix indio_dev->trig assignment
commit
b07e3b3850b2e1f09c19f54d3ed7210d9f529e2c upstream.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio: gyro: itg3200: Fix indio_dev->trig assignment
commit
0b4dce2ee694a991ef38203ec5ff91a738518cb3 upstream.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Srinivas Pandruvada [Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)]
iio:trigger: modify return value for iio_trigger_get
commit
f153566570fb9e32c2f59182883f4f66048788fb upstream.
Instead of a void function, return the trigger pointer.
Whilst not in of itself a fix, this makes the following set of
7 fixes cleaner than they would otherwise be.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pavel Shilovsky [Mon, 18 Aug 2014 16:49:57 +0000 (20:49 +0400)]
CIFS: Fix SMB2 readdir error handling
commit
52755808d4525f4d5b86d112d36ffc7a46f3fb48 upstream.
SMB2 servers indicates the end of a directory search with
STATUS_NO_MORE_FILE error code that is not processed now.
This causes generic/257 xfstest to fail. Fix this by triggering
the end of search by this error code in SMB2_query_directory.
Also when negotiating CIFS protocol we tell the server to close
the search automatically at the end and there is no need to do
it itself. In the case of SMB2 protocol, we need to close it
explicitly - separate close directory checks for different
protocols.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pavel Shilovsky [Fri, 22 Aug 2014 09:32:09 +0000 (13:32 +0400)]
CIFS: Fix directory rename error
commit
a07d322059db66b84c9eb4f98959df468e88b34b upstream.
CIFS servers process nlink counts differently for files and directories.
In cifs_rename() if we the request fails on the existing target, we
try to remove it through cifs_unlink() but this is not what we want
to do for directories. As the result the following sequence of commands
mkdir {1,2}; mv -T 1 2; rmdir {1,2}; mkdir {1,2}; echo foo > 2/bar
and XFS test generic/023 fail with -ENOENT error. That's why the second
mkdir reuses the existing inode (target inode of the mv -T command) with
S_DEAD flag.
Fix this by checking whether the target is directory or not and
calling cifs_rmdir() rather than cifs_unlink() for directories.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Peter Ujfalusi [Thu, 4 Sep 2014 07:52:53 +0000 (10:52 +0300)]
ASoC: davinci-mcasp: Correct rx format unit configuration
commit
fe0a29e163a5d045c73faab682a8dac71c2f8012 upstream.
In case of capture we should not use rotation. The reverse and mask is
enough to get the data align correctly from the bus to MCU:
Format data from bus after reverse (XRBUF)
S16_LE: |LSB|MSB|xxx|xxx| |xxx|xxx|MSB|LSB|
S24_3LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB|
S24_LE: |LSB|DAT|MSB|xxx| |xxx|MSB|DAT|LSB|
S32_LE: |LSB|DAT|DAT|MSB| |MSB|DAT|DAT|LSB|
With this patch all supported formats will work for playback and capture.
Reported-by: Jyri Sarha <jsarha@ti.com> (broken S24_3LE capture)
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Miklos Szeredi [Wed, 24 Sep 2014 15:56:17 +0000 (17:56 +0200)]
shmem: fix nlink for rename overwrite directory
commit
b928095b0a7cff7fb9fcf4c706348ceb8ab2c295 upstream.
If overwriting an empty directory with rename, then need to drop the extra
nlink.
Test prog:
#include <stdio.h>
#include <fcntl.h>
#include <err.h>
#include <sys/stat.h>
int main(void)
{
const char *test_dir1 = "test-dir1";
const char *test_dir2 = "test-dir2";
int res;
int fd;
struct stat statbuf;
res = mkdir(test_dir1, 0777);
if (res == -1)
err(1, "mkdir(\"%s\")", test_dir1);
res = mkdir(test_dir2, 0777);
if (res == -1)
err(1, "mkdir(\"%s\")", test_dir2);
fd = open(test_dir2, O_RDONLY);
if (fd == -1)
err(1, "open(\"%s\")", test_dir2);
res = rename(test_dir1, test_dir2);
if (res == -1)
err(1, "rename(\"%s\", \"%s\")", test_dir1, test_dir2);
res = fstat(fd, &statbuf);
if (res == -1)
err(1, "fstat(%i)", fd);
if (statbuf.st_nlink != 0) {
fprintf(stderr, "nlink is %lu, should be 0\n", statbuf.st_nlink);
return 1;
}
return 0;
}
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dave Young [Tue, 26 Aug 2014 09:06:41 +0000 (17:06 +0800)]
x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8
commit
3eddc69ffeba092d288c386646bfa5ec0fce25fd upstream.
3.16 kernel boot fail with earlyprintk=efi, it keeps scrolling at the
bottom line of screen.
Bisected, the first bad commit is below:
commit
86dfc6f339886559d80ee0d4bd20fe5ee90450f0
Author: Lv Zheng <lv.zheng@intel.com>
Date: Fri Apr 4 12:38:57 2014 +0800
ACPICA: Tables: Fix table checksums verification before installation.
I did some debugging by enabling both serial and efi earlyprintk, below is
some debug dmesg, seems early_ioremap fails in scroll up function due to
no free slot, see below dmesg output:
WARNING: CPU: 0 PID: 0 at mm/early_ioremap.c:116 __early_ioremap+0x90/0x1c4()
__early_ioremap(
ed00c800,
00000c80) not found slot
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 3.17.0-rc1+ #204
Hardware name: Hewlett-Packard HP Z420 Workstation/1589, BIOS J61 v03.15 05/09/2013
Call Trace:
dump_stack+0x4e/0x7a
warn_slowpath_common+0x75/0x8e
? __early_ioremap+0x90/0x1c4
warn_slowpath_fmt+0x47/0x49
__early_ioremap+0x90/0x1c4
? sprintf+0x46/0x48
early_ioremap+0x13/0x15
early_efi_map+0x24/0x26
early_efi_scroll_up+0x6d/0xc0
early_efi_write+0x1b0/0x214
call_console_drivers.constprop.21+0x73/0x7e
console_unlock+0x151/0x3b2
? vprintk_emit+0x49f/0x532
vprintk_emit+0x521/0x532
? console_unlock+0x383/0x3b2
printk+0x4f/0x51
acpi_os_vprintf+0x2b/0x2d
acpi_os_printf+0x43/0x45
acpi_info+0x5c/0x63
? __acpi_map_table+0x13/0x18
? acpi_os_map_iomem+0x21/0x147
acpi_tb_print_table_header+0x177/0x186
acpi_tb_install_table_with_override+0x4b/0x62
acpi_tb_install_standard_table+0xd9/0x215
? early_ioremap+0x13/0x15
? __acpi_map_table+0x13/0x18
acpi_tb_parse_root_table+0x16e/0x1b4
acpi_initialize_tables+0x57/0x59
acpi_table_init+0x50/0xce
acpi_boot_table_init+0x1e/0x85
setup_arch+0x9b7/0xcc4
start_kernel+0x94/0x42d
? early_idt_handlers+0x120/0x120
x86_64_start_reservations+0x2a/0x2c
x86_64_start_kernel+0xf3/0x100
Quote reply from Lv.zheng about the early ioremap slot usage in this case:
"""
In early_efi_scroll_up(), 2 mapping entries will be used for the src/dst screen buffer.
In drivers/acpi/acpica/tbutils.c, we've improved the early table loading code in acpi_tb_parse_root_table().
We now need 2 mapping entries:
1. One mapping entry is used for RSDT table mapping. Each RSDT entry contains an address for another ACPI table.
2. For each entry in RSDP, we need another mapping entry to map the table to perform necessary check/override before installing it.
When acpi_tb_parse_root_table() prints something through EFI earlyprintk console, we'll have 4 mapping entries used.
The current 4 slots setting of early_ioremap() seems to be too small for such a use case.
"""
Thus increase the slot to 8 in this patch to fix this issue.
boot-time mappings become 512 page with this patch.
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Marcelo Tosatti [Wed, 12 Jun 2013 02:31:12 +0000 (23:31 -0300)]
KVM: x86: handle idiv overflow at kvm_write_tsc
commit
8915aa27d5efbb9185357175b0acf884325565f9 upstream.
Its possible that idivl overflows (due to large delta stored in usdiff,
valid scenario).
Create an exception handler to catch the overflow exception (division by zero
is protected by vcpu->arch.virtual_tsc_khz check), and interpret it accordingly
(delta is larger than USEC_PER_SEC).
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=969644
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Philipp Hahn <hahn@univention.de>
Tested-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark Brown [Tue, 26 Aug 2014 11:12:17 +0000 (12:12 +0100)]
regmap: Fix handling of volatile registers for format_write() chips
commit
5844a8b9d98ec11ce1d77610daacf3f0a0e14715 upstream.
A previous over-zealous factorisation of code means that we only treat
registers as volatile if they are readable. For most devices this is fine
since normally most registers can be read and volatility implies
readability but for format_write() devices where there is no readback from
the hardware and we use volatility to mean simply uncacheability this means
that we end up treating all registers as cacheble.
A bigger refactoring of the code to clarify this is in order but as a fix
make a minimal change and only check readability when checking volatility
if there is no format_write() operation defined for the device.
Signed-off-by: Mark Brown <broonie@linaro.org>
Tested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bob Moore [Tue, 23 Sep 2014 02:35:47 +0000 (10:35 +0800)]
ACPICA: Update to GPIO region handler interface.
commit
75ec6e55f1384548311a13ce4fcb39c516053314 upstream.
Changes to correct several GPIO issues:
1) The update_rule in a GPIO field definition is now ignored;
a read-modify-write operation is never performed for GPIO fields.
(Internally, this means that the field assembly/disassembly
code is completely bypassed for GPIO.)
2) The Address parameter passed to a GPIO region handler is
now the bit offset of the field from a previous Connection()
operator. Thus, it becomes a "Pin Number Index" into the
Connection() resource descriptor.
3) The bit_width parameter passed to a GPIO region handler is
now the exact bit width of the GPIO field. Thus, it can be
interpreted as "number of pins".
Overall, we can now say that the region handler interface
to GPIO handlers is a raw "bit/pin" addressed interface, not
a byte-addressed interface like the system_memory handler interface.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Markos Chandras [Tue, 16 Sep 2014 14:55:12 +0000 (15:55 +0100)]
MIPS: mcount: Adjust stack pointer for static trace in MIPS32
commit
8a574cfa2652545eb95595d38ac2a0bb501af0ae upstream.
Every mcount() call in the MIPS 32-bit kernel is done as follows:
[...]
move at, ra
jal _mcount
addiu sp, sp, -8
[...]
but upon returning from the mcount() function, the stack pointer
is not adjusted properly. This is explained in details in
58b69401c797
(MIPS: Function tracer: Fix broken function tracing).
Commit
ad8c396936e3 ("MIPS: Unbreak function tracer for 64-bit kernel.)
fixed the stack manipulation for 64-bit but it didn't fix it completely
for MIPS32.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7792/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aurelien Jarno [Sun, 20 Jul 2014 17:58:23 +0000 (19:58 +0200)]
MIPS: ZBOOT: add missing <linux/string.h> include
commit
29593fd5a8149462ed6fad0d522234facdaee6c8 upstream.
Commit
dc4d7b37 (MIPS: ZBOOT: gather string functions into string.c)
moved the string related functions into a separate file, which might
cause the following build error, depending on the configuration:
| CC arch/mips/boot/compressed/decompress.o
| In file included from linux/arch/mips/boot/compressed/../../../../lib/decompress_unxz.c:234:0,
| from linux/arch/mips/boot/compressed/decompress.c:67:
| linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c: In function 'fill_temp':
| linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:162:2: error: implicit declaration of function 'memcpy' [-Werror=implicit-function-declaration]
| cc1: some warnings being treated as errors
| linux/scripts/Makefile.build:308: recipe for target 'arch/mips/boot/compressed/decompress.o' failed
| make[6]: *** [arch/mips/boot/compressed/decompress.o] Error 1
| linux/arch/mips/Makefile:308: recipe for target 'vmlinuz' failed
It does not fail with the standard configuration, as when
CONFIG_DYNAMIC_DEBUG is not enabled <linux/string.h> gets included in
include/linux/dynamic_debug.h. There might be other ways for it to
get indirectly included.
We can't add the include directly in xz_dec_stream.c as some
architectures might want to use a different version for the boot/
directory (see for example arch/x86/boot/string.h).
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7420/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Robin Murphy [Thu, 25 Sep 2014 10:56:19 +0000 (11:56 +0100)]
ARM: 8165/1: alignment: don't break misaligned NEON load/store
commit
5ca918e5e3f9df4634077c06585c42bc6a8d699a upstream.
The alignment fixup incorrectly decodes faulting ARM VLDn/VSTn
instructions (where the optional alignment hint is given but incorrect)
as LDR/STR, leading to register corruption. Detect these and correctly
treat them as unhandled, so that userspace gets the fault it expects.
Reported-by: Simon Hosie <simon.hosie@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dave Martin [Mon, 25 Nov 2013 13:54:47 +0000 (14:54 +0100)]
ARM: 7897/1: kexec: Use the right ISA for relocate_new_kernel
commit
e2ccba49085ab5d71b092de2a5176eb9b19cc876 upstream.
Copying a function with memcpy() and then trying to execute the
result isn't trivially portable to Thumb.
This patch modifies the kexec soft restart code to copy its
assembler trampoline relocate_new_kernel() using fncpy() instead,
so that relocate_new_kernel can be in the same ISA as the rest of
the kernel without problems.
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Reported-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Tested-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Integrated-by: Liu Hua <sdu.liu@huawei.com>
Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sudeep Holla [Mon, 1 Sep 2014 16:14:29 +0000 (17:14 +0100)]
ARM: 8133/1: use irq_set_affinity with force=false when migrating irqs
commit
a040803a9d6b8c1876d3487a5cb69602ebcbb82c upstream.
Since commit
1dbfa187dad ("ARM: irq migration: force migration off CPU
going down") the ARM interrupt migration code on cpu offline calls
irqchip.irq_set_affinity() with the argument force=true. At the point
of this change the argument had no effect because it was not used by
any interrupt chip driver and there was no semantics defined.
This changed with commit
01f8fa4f01d8 ("genirq: Allow forcing cpu
affinity of interrupts") which made the force argument useful to route
interrupts to not yet online cpus without checking the target cpu
against the cpu online mask. The following commit
ffde1de64012
("irqchip: gic: Support forced affinity setting") implemented this for
the GIC interrupt controller.
As a consequence the ARM cpu offline irq migration fails if CPU0 is
offlined, because CPU0 is still set in the affinity mask and the
validataion against cpu online mask is skipped to the force argument
being true. The following first_cpu(mask) selection always selects
CPU0 as the target.
Solve the issue by calling irq_set_affinity() with force=false from
the CPU offline irq migration code so the GIC driver validates the
affinity mask against CPU online mask and therefore removes CPU0 from
the possible target candidates.
Tested on TC2 hotpluging CPU0 in and out. Without this patch the system
locks up as the IRQs are not migrated away from CPU0.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark Rutland [Fri, 15 Aug 2014 11:11:49 +0000 (12:11 +0100)]
ARM: 8128/1: abort: don't clear the exclusive monitors
commit
85868313177700d20644263a782351262d2aff84 upstream.
The ARMv6 and ARMv7 early abort handlers clear the exclusive monitors
upon entry to the kernel, but this is redundant:
- We clear the monitors on every exception return since commit
200b812d0084 ("Clear the exclusive monitor when returning from an
exception"), so this is not necessary to ensure the monitors are
cleared before returning from a fault handler.
- Any dummy STREX will target a temporary scratch area in memory, and
may succeed or fail without corrupting useful data. Its status value
will not be used.
- Any other STREX in the kernel must be preceded by an LDREX, which
will initialise the monitors consistently and will not depend on the
earlier state of the monitors.
Therefore we have no reason to care about the initial state of the
exclusive monitors when a data abort is taken, and clearing the monitors
prior to exception return (as we already do) is sufficient.
This patch removes the redundant clearing of the exclusive monitors from
the early abort handlers.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Trond Myklebust [Thu, 18 Sep 2014 15:51:32 +0000 (11:51 -0400)]
NFSv4: Fix another bug in the close/open_downgrade code
commit
cd9288ffaea4359d5cfe2b8d264911506aed26a4 upstream.
James Drew reports another bug whereby the NFS client is now sending
an OPEN_DOWNGRADE in a situation where it should really have sent a
CLOSE: the client is opening the file for O_RDWR, but then trying to
do a downgrade to O_RDONLY, which is not allowed by the NFSv4 spec.
Reported-by: James Drews <drews@engr.wisc.edu>
Link: http://lkml.kernel.org/r/541AD7E5.8020409@engr.wisc.edu
Fixes: aee7af356e15 (NFSv4: Fix problems with close in the presence...)
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Steve Dickson [Thu, 18 Sep 2014 13:13:17 +0000 (09:13 -0400)]
NFSv4: nfs4_state_manager() vs. nfs_server_remove_lists()
commit
080af20cc945d110f9912d01cf6b66f94a375b8d upstream.
There is a race between nfs4_state_manager() and
nfs_server_remove_lists() that happens during a nfsv3 mount.
The v3 mount notices there is already a supper block so
nfs_server_remove_lists() called which uses the nfs_client_lock
spin lock to synchronize access to the client list.
At the same time nfs4_state_manager() is running through
the client list looking for work to do, using the same
lock. When nfs4_state_manager() wins the race to the
list, a v3 client pointer is found and not ignored
properly which causes the panic.
Moving some protocol checks before the state checking
avoids the panic.
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Shen Guang [Wed, 8 Jan 2014 06:45:42 +0000 (14:45 +0800)]
usb:hub set hub->change_bits when over-current happens
commit
08d1dec6f4054e3613f32051d9b149d4203ce0d2 upstream.
When we are doing compliance test with xHCI, we found that if we
enable CONFIG_USB_SUSPEND and plug in a bad device which causes
over-current condition to the root port, software will not be noticed.
The reason is that current code don't set hub->change_bits in
hub_activate() when over-current happens, and then hub_events() will
not check the port status because it thinks nothing changed.
If CONFIG_USB_SUSPEND is disabled, the interrupt pipe of the hub will
report the change and set hub->event_bits, and then hub_events() will
check what events happened.In this case over-current can be detected.
Signed-off-by: Shen Guang <shenguang10@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Frans Klaver <fransklaver@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Felipe Balbi [Wed, 3 Sep 2014 21:42:57 +0000 (16:42 -0500)]
usb: dwc3: omap: fix ordering for runtime pm calls
commit
81a60b7f5c143ab3cdcd9943c9b4b7c63c32fc31 upstream.
we don't to gate clocks until our children are
done with their remove path.
Fixes: af310e9 (usb: dwc3: omap: use runtime API's to enable clocks)
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Stern [Wed, 17 Sep 2014 15:23:54 +0000 (11:23 -0400)]
USB: EHCI: unlink QHs even after the controller has stopped
commit
7312b5ddd47fee2356baa78c5516ef8e04eed452 upstream.
Old code in ehci-hcd tries to expedite disabling endpoints after the
controller has stopped, by destroying the endpoint's associated QH
without first unlinking the QH. This was necessary back when the
driver wasn't so careful about keeping track of the controller's
state.
But now we are careful about it, and the driver knows that when the
controller isn't running, no unlinking delay is needed. Furthermore,
skipping the unlink step will trigger a BUG() in qh_destroy() when the
preceding QH is released, because the link pointer will be non-NULL.
Removing the lines that skip the unlinking step and go directly to
QH_STATE_IDLE fixes the problem.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Joe Lawrence <joe.lawrence@stratus.com>
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark [Wed, 17 Sep 2014 18:15:43 +0000 (19:15 +0100)]
USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters
commit
c80b4495c61636edc58fe1ce300f09f24db28e10 upstream.
This patch adds quirks for Entrega Technologies (later Xircom PortGear) USB-
SCSI converters. They use Shuttle Technology EUSB-01/EUSB-S1 chips. The
US_FL_SCM_MULT_TARG quirk is needed to allow multiple devices on the SCSI
chain to be accessed. Without it only the (single) device with SCSI ID 0
can be used.
The standalone converter sold by Entrega had model number U1-SC25. Xircom
acquired Entrega and re-branded the product line PortGear. The PortGear USB
to SCSI Converter (model PGSCSI) is internally identical to the Entrega
product, but later models may use a different USB ID. The Entrega-branded
units have USB ID 1645:0007, as does my Xircom PGSCSI, but the Windows and
Macintosh drivers also support 085A:0028.
Entrega also sold the "Mac USB Dock", which provides two USB ports, a Mac
(8-pin mini-DIN) serial port and a SCSI port. It appears to the computer as
a four-port hub, USB-serial, and USB-SCSI converters. The USB-SCSI part may
have initially used the same ID as the standalone U1-SC25 (1645:0007), but
later production used 085A:0026.
My Xircom PortGear PGSCSI has bcdDevice=0x0100. Units with bcdDevice=0x0133
probably also exist.
This patch adds quirks for 1645:0007, 085A:0026 and 085A:0028. The Windows
driver INF file also mentions 085A:0032 "PortStation SCSI Module", but I
couldn't find any mention of that actually existing in the wild; perhaps it
was cancelled before release?
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark [Tue, 16 Sep 2014 15:51:41 +0000 (16:51 +0100)]
USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter
commit
b6a3ed677991558ce09046397a7c4d70530d15b3 upstream.
Hi,
The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g.
iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM
Microsystems chips. Only the connectors differ; both have the same USB ID.
The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other
than 0.
I don't have one of these, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the products use.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark [Tue, 16 Sep 2014 15:22:50 +0000 (16:22 +0100)]
USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
commit
67d365a57a51fb9dece6a5ceb504aa381cae1e5b upstream.
The Adaptec USBConnect 2000 is another SCSI-USB converter which uses
Shuttle Technology/SCM Microsystems chips. The US_FL_SCM_MULT_TARG quirk is
required to use SCSI devices with ID other than 0.
I don't have a USBConnect 2000, but based on the other entries for Shuttle/
SCM-based converters this patch is very likely correct. I used 0x0000 and
0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which
bcdDevice value the product uses.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mark [Thu, 11 Sep 2014 12:15:45 +0000 (13:15 +0100)]
storage: Add single-LUN quirk for Jaz USB Adapter
commit
c66f1c62e85927357e7b3f4c701614dcb5c498a2 upstream.
The Iomega Jaz USB Adapter is a SCSI-USB converter cable. The hardware
seems to be identical to e.g. the Microtech XpressSCSI, using a Shuttle/
SCM chip set. However its firmware restricts it to only work with Jaz
drives.
On connecting the cable a message like this appears four times in the log:
reset full speed USB device number 4 using uhci_hcd
That's non-fatal but the US_FL_SINGLE_LUN quirk fixes it.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Joe Lawrence [Wed, 10 Sep 2014 19:07:50 +0000 (15:07 -0400)]
usb: hub: take hub->hdev reference when processing from eventlist
commit
c605f3cdff53a743f6d875b76956b239deca1272 upstream.
During surprise device hotplug removal tests, it was observed that
hub_events may try to call usb_lock_device on a device that has already
been freed. Protect the usb_device by taking out a reference (under the
hub_event_lock) when hub_events pulls it off the list, returning the
reference after hub_events is finished using it.
Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Suggested-by: David Bulkow <david.bulkow@stratus.com> for using kref
Suggested-by: Alan Stern <stern@rowland.harvard.edu> for placement
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mathias Nyman [Thu, 11 Sep 2014 10:55:50 +0000 (13:55 +0300)]
xhci: fix oops when xhci resumes from hibernate with hw lpm capable devices
commit
96044694b8511bc2b04df0776b4ba295cfe005c0 upstream.
Resuming from hibernate (S4) will restart and re-initialize xHC.
The device contexts are freed and will be re-allocated later during device reset.
Usb core will disable link pm in device resume before device reset, which will
try to change the max exit latency, accessing the device contexts before they are re-allocated.
There is no need to zero (disable) the max exit latency when disabling hw lpm
for a freshly re-initialized xHC. So check that device context exists before
doing anything. The max exit latency will be set again after device reset when usb core
enables the link pm.
Reported-by: Imre Deak <imre.deak@intel.com>
Tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mathias Nyman [Thu, 11 Sep 2014 10:55:48 +0000 (13:55 +0300)]
xhci: Fix null pointer dereference if xhci initialization fails
commit
c207e7c50f31113c24a9f536fcab1e8a256985d7 upstream.
If xhci initialization fails before the roothub bandwidth
domains (xhci->rh_bw[i]) are allocated it will oops when
trying to access rh_bw members in xhci_mem_cleanup().
Reported-by: Manuel Reimer <manuel.reimer@gmx.de>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Thu, 28 Aug 2014 10:46:54 +0000 (12:46 +0200)]
USB: zte_ev: fix removed PIDs
commit
3096691011d01cef56b243a5e65431405c07d574 upstream.
Add back some PIDs that were mistakingly remove when reverting commit
73228a0538a7 ("USB: option,zte_ev: move most ZTE CDMA devices to
zte_ev"), which apparently did more than its commit message claimed in
that it not only moved some PIDs from option to zte_ev but also added
some new ones.
Fixes: 63a901c06e3c ("Revert "USB: option,zte_ev: move most ZTE CDMA
devices to zte_ev"")
Reported-by: Lei Liu <lei35151@163.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Mon, 18 Aug 2014 16:33:11 +0000 (18:33 +0200)]
USB: ftdi_sio: add support for NOVITUS Bono E thermal printer
commit
ee444609dbae8afee420c3243ce4c5f442efb622 upstream.
Add device id for NOVITUS Bono E thermal printer.
Reported-by: Emanuel Koczwara <poczta@emanuelkoczwara.pl>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bjørn Mork [Thu, 28 Aug 2014 13:08:16 +0000 (15:08 +0200)]
USB: sierra: add 1199:68AA device ID
commit
5b3da69285c143b7ea76b3b9f73099ff1093ab73 upstream.
This VID:PID is used for some Direct IP devices behaving
identical to the already supported 0F3D:68AA devices.
Reported-by: Lars Melin <larsm17@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bjørn Mork [Thu, 28 Aug 2014 12:11:23 +0000 (14:11 +0200)]
USB: sierra: avoid CDC class functions on "68A3" devices
commit
049255f51644c1105775af228396d187402a5934 upstream.
Sierra Wireless Direct IP devices using the 68A3 product ID
can be configured for modes including a CDC ECM class function.
The known example uses interface numbers 12 and 13 for the ECM
control and data interfaces respectively, consistent with CDC
MBIM function interface numbering on other Sierra devices.
It seems cleaner to restrict this driver to the ff/ff/ff
vendor specific interfaces rather than increasing the already
long interface number blacklist. This should be more future
proof if Sierra adds more class functions using interface
numbers not yet in the blacklist.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Thu, 7 Aug 2014 14:00:15 +0000 (16:00 +0200)]
USB: zte_ev: remove duplicate Qualcom PID
commit
754eb21c0bbbbc4b8830a9a864b286323b84225f upstream.
Remove dublicate Qualcom PID 0x3197 which is already handled by the
moto-modem driver since commit
6986a978eec7 ("USB: add new moto_modem
driver for some Morotola phones").
Fixes: 799ee9243d89 ("USB: serial: add zte_ev.c driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Thu, 7 Aug 2014 14:00:14 +0000 (16:00 +0200)]
USB: zte_ev: remove duplicate Gobi PID
commit
95be5739588c56a9327e477aa0ba3c81c5cf8631 upstream.
Remove dublicate Gobi PID 0x9008 which is already handled by the
qcserial driver since commit
f05932c0caf4 ("USB: qcserial: Add extra
device IDs").
Fixes: 799ee9243d89 ("USB: serial: add zte_ev.c driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Thu, 7 Aug 2014 14:00:13 +0000 (16:00 +0200)]
Revert "USB: option,zte_ev: move most ZTE CDMA devices to zte_ev"
commit
63a901c06e3c2c45bd601916fe04e870e9ccae1e upstream.
This reverts commit
73228a0538a7 ("USB: option,zte_ev: move most ZTE
CDMA devices to zte_ev").
Move the IDs of the devices that were previously driven by the option
driver back to that driver.
As several users have reported, the zte_ev driver is causing random
disconnects as well as reconnect failures.
A closer analysis of the zte_ev setup code reveals that it consists of
standard CDC requests (SET/GET_LINE_CODING and SET_CONTROL_LINE_STATE)
but unfortunately fails to get some of those right. In particular, as
reported by Liu Lei, it fails to lower DTR/RTS on close. It also appears
that the control requests lack the interface argument.
Note that the zte_ev driver is based on code (once) distributed by ZTE
that still appears to originally have been reverse-engineered and bolted
onto the generic driver.
Since line control is already handled properly by the option driver, and
the SET/GET_LINE_CODING requests appears to be redundant (amounts to a
SET 9600 8N1), this is a first step in ultimately removing the redundant
zte_ev driver.
Note that AC2726 had already been moved back to option, and that some
IDs were in the device table of both drivers prior to the commit being
reverted.
Reported-by: Lei Liu <liu.lei78@zte.com.cn>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Brennan Ashton [Wed, 6 Aug 2014 15:46:44 +0000 (08:46 -0700)]
USB: option: add VIA Telecom CDS7 chipset device id
commit
d77302739d900bbca5e901a3b7ac48c907ee6c93 upstream.
This VIA Telecom baseband processor is used is used by by u-blox in both the
FW2770 and FW2760 products and may be used in others as well.
This patch has been tested on both of these modem versions.
Signed-off-by: Brennan Ashton <bashton@brennanashton.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Tue, 29 Jul 2014 12:14:55 +0000 (14:14 +0200)]
USB: option: reduce interrupt-urb logging verbosity
commit
f0e4cba2534cd88476dff920727c81350130f3c5 upstream.
Do not log normal interrupt-urb shutdowns as errors.
The option driver has always been logging any nonzero interrupt-urb
status as an error, including when the urb is killed during normal
operation.
Commit
9096f1fbba91 ("USB: usb_wwan: fix potential NULL-deref at
resume") moved the interrupt urb submission from port probe and release
to open and close, thus potentially increasing the number of these
false-positive error messages dramatically.
Reported-by: Ed Butler <ressy66@ausics.net>
Tested-by: Ed Butler <ressy66@ausics.net>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Wed, 27 Aug 2014 09:55:19 +0000 (11:55 +0200)]
USB: serial: fix potential heap buffer overflow
commit
5654699fb38512bdbfc0f892ce54fce75bdc2bab upstream.
Make sure to verify the number of ports requested by subdriver to avoid
writing beyond the end of fixed-size array in interface data.
The current usb-serial implementation is limited to eight ports per
interface but failed to verify that the number of ports requested by a
subdriver (which could have been determined from device descriptors) did
not exceed this limit.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stephen Hemminger [Tue, 26 Aug 2014 04:07:47 +0000 (21:07 -0700)]
USB: sisusb: add device id for Magic Control USB video
commit
5b6b80aeb21091ed3030b9b6aae597d81326f1aa upstream.
I have a j5 create (JUA210) USB 2 video device and adding it device id
to SIS USB video gets it to work.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Wed, 27 Aug 2014 09:55:18 +0000 (11:55 +0200)]
USB: serial: fix potential stack buffer overflow
commit
d979e9f9ecab04c1ecca741370e30a8a498893f5 upstream.
Make sure to verify the maximum number of endpoints per type to avoid
writing beyond the end of a stack-allocated array.
The current usb-serial implementation is limited to eight ports per
interface but failed to verify that the number of endpoints of a certain
type reported by a device did not exceed this limit.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg KH [Fri, 15 Aug 2014 07:22:21 +0000 (15:22 +0800)]
USB: serial: pl2303: add device id for ztek device
commit
91fcb1ce420e0a5f8d92d556d7008a78bc6ce1eb upstream.
This adds a new device id to the pl2303 driver for the ZTEK device.
Reported-by: Mike Chu <Mike-Chu@prolific.com.tw>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Max Filippov [Thu, 31 Jul 2014 18:40:57 +0000 (22:40 +0400)]
xtensa: fix a6 and a7 handling in fast_syscall_xtensa
commit
d1b6ba82a50cecf94be540a3a153aa89d97511a0 upstream.
Remove restoring a6 on some return paths and instead modify and restore
it in a single place, using symbolic name.
Correctly restore a7 from PT_AREG7 in case of illegal a6 value.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Max Filippov [Mon, 21 Jul 2014 18:01:51 +0000 (22:01 +0400)]
xtensa: fix TLBTEMP_BASE_2 region handling in fast_second_level_miss
commit
7128039fe2dd3d59da9e4ffa036f3aaa3ba87b9f upstream.
Current definition of TLBTEMP_BASE_2 is always 32K above the
TLBTEMP_BASE_1, whereas fast_second_level_miss handler for the TLBTEMP
region analyzes virtual address bit (PAGE_SHIFT + DCACHE_ALIAS_ORDER)
to determine TLBTEMP region where the fault happened. The size of the
TLBTEMP region is also checked incorrectly: not 64K, but twice data
cache way size (whicht may as well be less than the instruction cache
way size).
Fix TLBTEMP_BASE_2 to be TLBTEMP_BASE_1 + data cache way size.
Provide TLBTEMP_SIZE that is a greater of doubled data cache way size or
the instruction cache way size, and use it to determine if the second
level TLB miss occured in the TLBTEMP region.
Practical occurence of page faults in the TLBTEMP area is extremely
rare, this code can be tested by deletion of all w[di]tlb instructions
in the tlbtemp_mapping region.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Max Filippov [Sun, 27 Jul 2014 03:23:41 +0000 (07:23 +0400)]
xtensa: fix access to THREAD_RA/THREAD_SP/THREAD_DS
commit
52247123749cc3cbc30168b33ad8c69515c96d23 upstream.
With SMP and a lot of debug options enabled task_struct::thread gets out
of reach of s32i/l32i instructions with base pointing at task_struct,
breaking build with the following messages:
arch/xtensa/kernel/entry.S: Assembler messages:
arch/xtensa/kernel/entry.S:1002: Error: operand 3 of 'l32i.n' has invalid value '1048'
arch/xtensa/kernel/entry.S:1831: Error: operand 3 of 's32i.n' has invalid value '1040'
arch/xtensa/kernel/entry.S:1832: Error: operand 3 of 's32i.n' has invalid value '1044'
Change base to point to task_struct::thread in such cases.
Don't use a10 in _switch_to to save/restore prev pointer as a2 is not
clobbered.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Douglas [Wed, 23 Jul 2014 10:06:40 +0000 (14:06 +0400)]
xtensa: fix address checks in dma_{alloc,free}_coherent
commit
1ca49463c44c970b1ab1d71b0f268bfdf8427a7e upstream.
Virtual address is translated to the XCHAL_KSEG_CACHED region in the
dma_free_coherent, but is checked to be in the 0...XCHAL_KSEG_SIZE
range.
Change check for end of the range from 'addr >= X' to 'addr > X - 1' to
handle the case of X == 0.
Replace 'if (C) BUG();' construct with 'BUG_ON(C);'.
Signed-off-by: Alan Douglas <adouglas@cadence.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Max Filippov [Sat, 19 Jul 2014 23:38:53 +0000 (03:38 +0400)]
xtensa: replace IOCTL code definitions with constants
commit
f61bf8e7d19e0a3456a7a9ed97c399e4353698dc upstream.
This fixes userspace code that builds on other architectures but fails
on xtensa due to references to structures that other architectures don't
refer to. E.g. this fixes the following issue with python-2.7.8:
python-2.7.8/Modules/termios.c:861:25: error: invalid application
of 'sizeof' to incomplete type 'struct serial_multiport_struct'
{"TIOCSERGETMULTI", TIOCSERGETMULTI},
python-2.7.8/Modules/termios.c:870:25: error: invalid application
of 'sizeof' to incomplete type 'struct serial_multiport_struct'
{"TIOCSERSETMULTI", TIOCSERSETMULTI},
python-2.7.8/Modules/termios.c:900:24: error: invalid application
of 'sizeof' to incomplete type 'struct tty_struct'
{"TIOCTTYGSTRUCT", TIOCTTYGSTRUCT},
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alex Deucher [Mon, 8 Sep 2014 17:55:51 +0000 (13:55 -0400)]
drm/radeon: add connector quirk for fujitsu board
commit
1952f24d0fa6292d65f886887af87ba8ac79b3ba upstream.
Vbios connector table lists non-existent VGA port.
Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=83184
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thomas Hellstrom [Thu, 28 Aug 2014 09:53:23 +0000 (11:53 +0200)]
drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle
commit
f01ea0c3d9db536c64d47922716d8b3b8f21d850 upstream.
The code waiting for fifo idle was incorrect and could possibly spin
forever under certain circumstances.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Mark Sheldon <markshel@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reivewed-by: Mark Sheldon <markshel@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Y.C. Chen [Wed, 10 Sep 2014 04:07:54 +0000 (12:07 +0800)]
drm/ast: AST2000 cannot be detected correctly
commit
83502a5d34386f7c6973bc70e1c423f55f5a2e3a upstream.
Type error and cause AST2000 cannot be detected correctly
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Reviewed-by: Egbert Eich <eich@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ville Syrjälä [Mon, 8 Sep 2014 14:43:01 +0000 (17:43 +0300)]
drm/i915: Wait for vblank before enabling the TV encoder
commit
7a98948f3b536ca9a077e84966ddc0e9f53726df upstream.
The vblank waits in intel_tv_detect_type() are timing out for some
reason. This is a regression caused removing seemingly useless vblank
waits from the modeset seqeuence in:
commit
56ef52cad5e37fca89638e4bad598a994ecc3d9f
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu May 8 19:23:15 2014 +0300
drm/i915: Kill vblank waits after pipe enable on gmch platforms
So it turns out they weren't all entirely useless. Apparently the pipe
has to go through one full frame before we enable the TV port. Add a
vblank wait to intel_enable_tv() to make sure that happens.
Another approach was attempted by placing the vblank wait just after
enabling the port. The theory behind that attempt was that we need to
let the port stay enabled for one full frame before disabling it again
during load detection. But that didn't work, and we definitely must
have the vblank wait before enabling the port.
Cc: Alan Bartlett <ajb@elrepo.org>
Tested-by: Alan Bartlett <ajb@elrepo.org>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=79311
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mathias Krause [Wed, 27 Aug 2014 16:41:19 +0000 (18:41 +0200)]
drm/i915: Remove bogus __init annotation from DMI callbacks
commit
bbe1c2740d3a25aa1dbe5d842d2ff09cddcdde0a upstream.
The __init annotations for the DMI callback functions are wrong as this
code can be called even after the module has been initialized, e.g. like
this:
# echo 1 > /sys/bus/pci/devices/0000:00:02.0/remove
# modprobe i915
# echo 1 > /sys/bus/pci/rescan
The first command will remove the PCI device from the kernel's device
list so the second command won't see it right away. But as it registers
a PCI driver it'll see it on the third command. If the system happens to
match one of the DMI table entries we'll try to call a function in long
released memory and generate an Oops, at best.
Fix this by removing the bogus annotation.
Modpost should have caught that one but it ignores section reference
mismatches from the .rodata section. :/
Fixes: 25e341cfc33d ("drm/i915: quirk away broken OpRegion VBT")
Fixes: 8ca4013d702d ("CHROMIUM: i915: Add DMI override to skip CRT...")
Fixes: 425d244c8670 ("drm/i915: ignore LVDS on intel graphics systems...")
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Duncan Laurie <dlaurie@chromium.org>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au> # Can modpost be fixed?
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Benjamin Tissoires [Fri, 22 Aug 2014 20:16:05 +0000 (16:16 -0400)]
HID: logitech-dj: prevent false errors to be shown
commit
5abfe85c1d4694d5d4bbd13ecc166262b937adf0 upstream.
Commit "HID: logitech: perform bounds checking on device_id early
enough" unfortunately leaks some errors to dmesg which are not real
ones:
- if the report is not a DJ one, then there is not point in checking
the device_id
- the receiver (index 0) can also receive some notifications which
can be safely ignored given the current implementation
Move out the test regarding the report_id and also discards
printing errors when the receiver got notified.
Fixes: ad3e14d7c5268c2e24477c6ef54bbdf88add5d36
Reported-and-tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jiri Kosina [Wed, 27 Aug 2014 07:12:24 +0000 (09:12 +0200)]
HID: magicmouse: sanity check report size in raw_event() callback
commit
c54def7bd64d7c0b6993336abcffb8444795bf38 upstream.
The report passed to us from transport driver could potentially be
arbitrarily large, therefore we better sanity-check it so that
magicmouse_emit_touch() gets only valid values of raw_id.
Reported-by: Steven Vittitoe <scvitti@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jiri Kosina [Wed, 27 Aug 2014 07:13:15 +0000 (09:13 +0200)]
HID: picolcd: sanity check report size in raw_event() callback
commit
844817e47eef14141cf59b8d5ac08dd11c0a9189 upstream.
The report passed to us from transport driver could potentially be
arbitrarily large, therefore we better sanity-check it so that raw_data
that we hold in picolcd_pending structure are always kept within proper
bounds.
Reported-by: Steven Vittitoe <scvitti@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Toshiaki Makita [Tue, 26 Aug 2014 11:56:36 +0000 (20:56 +0900)]
cfq-iosched: Fix wrong children_weight calculation
commit
e15693ef18e13e3e6bffe891fe140f18b8ff6d07 upstream.
cfq_group_service_tree_add() is applying new_weight at the beginning of
the function via cfq_update_group_weight().
This actually allows weight to change between adding it to and subtracting
it from children_weight, and triggers WARN_ON_ONCE() in
cfq_group_service_tree_del(), or even causes oops by divide error during
vfr calculation in cfq_group_service_tree_add().
The detailed scenario is as follows:
1. Create blkio cgroups X and Y as a child of X.
Set X's weight to 500 and perform some I/O to apply new_weight.
This X's I/O completes before starting Y's I/O.
2. Y starts I/O and cfq_group_service_tree_add() is called with Y.
3. cfq_group_service_tree_add() walks up the tree during children_weight
calculation and adds parent X's weight (500) to children_weight of root.
children_weight becomes 500.
4. Set X's weight to 1000.
5. X starts I/O and cfq_group_service_tree_add() is called with X.
6. cfq_group_service_tree_add() applies its new_weight (1000).
7. I/O of Y completes and cfq_group_service_tree_del() is called with Y.
8. I/O of X completes and cfq_group_service_tree_del() is called with X.
9. cfq_group_service_tree_del() subtracts X's weight (1000) from
children_weight of root. children_weight becomes -500.
This triggers WARN_ON_ONCE().
10. Set X's weight to 500.
11. X starts I/O and cfq_group_service_tree_add() is called with X.
12. cfq_group_service_tree_add() applies its new_weight (500) and adds it
to children_weight of root. children_weight becomes 0. Calcularion of
vfr triggers oops by divide error.
weight should be updated right before adding it to children_weight.
Reported-by: Ruki Sekiya <sekiya.ruki@lab.ntt.co.jp>
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clemens Ladisch [Sun, 21 Sep 2014 20:50:57 +0000 (22:50 +0200)]
ALSA: pcm: fix fifo_size frame calculation
commit
a9960e6a293e6fc3ed414643bb4e4106272e4d0a upstream.
The calculated frame size was wrong because snd_pcm_format_physical_width()
actually returns the number of bits, not bytes.
Use snd_pcm_format_size() instead, which not only returns bytes, but also
simplifies the calculation.
Fixes: 8bea869c5e56 ("ALSA: PCM midlevel: improve fifo_size handling")
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Takashi Iwai [Thu, 11 Sep 2014 10:59:21 +0000 (12:59 +0200)]
ALSA: hda - Fix invalid pin powermap without jack detection
commit
7a9744cb455e6faa287e148394b4b422a6f3c5c4 upstream.
When a driver is set up without the jack detection explicitly (either
by passing a model option or via a specific fixup), the pin powermap
of IDT/STAC codecs is set up wrongly, resulting in the silence
output. It's because of a logic failure in stac_init_power_map().
It tries to avoid creating a callback for the pins that have other
auto-hp and auto-mic callbacks, but the check is done in a wrong way
at a wrong time. The stac_init_power_map() should be called after
creating other jack detection ctls, and the jack callback should be
created only for jack-detectable widgets.
This patch fixes the check in stac_init_power_map() and its callee
at the right place, after snd_hda_gen_build_controls().
Reported-by: Adam Richter <adam_richter2004@yahoo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Takashi Iwai [Tue, 2 Sep 2014 05:21:56 +0000 (07:21 +0200)]
ALSA: hda - Fix COEF setups for ALC1150 codec
commit
acf08081adb5e8fe0519eb97bb49797ef52614d6 upstream.
ALC1150 codec seems to need the COEF- and PLL-setups just like its
compatible ALC882 codec. Some machines (e.g. SunMicro X10SAT) show
the problem like too low output volumes unless the COEF setup is
applied.
Reported-and-tested-by: Dana Goyette <danagoyette@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clemens Ladisch [Thu, 21 Aug 2014 18:55:21 +0000 (20:55 +0200)]
ALSA: core: fix buffer overflow in snd_info_get_line()
commit
ddc64b278a4dda052390b3de1b551e59acdff105 upstream.
snd_info_get_line() documents that its last parameter must be one
less than the buffer size, but this API design guarantees that
(literally) every caller gets it wrong.
Just change this parameter to have its obvious meaning.
Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Will Deacon [Fri, 22 Aug 2014 13:13:24 +0000 (14:13 +0100)]
arm64: ptrace: fix compat hardware watchpoint reporting
commit
27d7ff273c2aad37b28f6ff0cab2cfa35b51e648 upstream.
I'm not sure what I was on when I wrote this, but when iterating over
the hardware watchpoint array (hbp_watch_array), our index is off by
ARM_MAX_BRP, so we walk off the end of our thread_struct...
... except, a dodgy condition in the loop means that it never executes
at all (bp cannot be NULL).
This patch fixes the code so that we remove the bp check and use the
correct index for accessing the watchpoint structures.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Josef Bacik [Mon, 25 Aug 2014 17:59:41 +0000 (13:59 -0400)]
trace: Fix epoll hang when we race with new entries
commit
4ce97dbf50245227add17c83d87dc838e7ca79d0 upstream.
Epoll on trace_pipe can sometimes hang in a weird case. If the ring buffer is
empty when we set waiters_pending but an event shows up exactly at that moment
we can miss being woken up by the ring buffers irq work. Since
ring_buffer_empty() is inherently racey we will sometimes think that the buffer
is not empty. So we don't get woken up and we don't think there are any events
even though there were some ready when we added the watch, which makes us hang.
This patch fixes this by making sure that we are actually on the wait list
before we set waiters_pending, and add a memory barrier to make sure
ring_buffer_empty() is going to be correct.
Link: http://lkml.kernel.org/p/1408989581-23727-1-git-send-email-jbacik@fb.com
Cc: Martin Lau <kafai@fb.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Simon Lindgren [Tue, 26 Aug 2014 19:13:24 +0000 (21:13 +0200)]
i2c: at91: Fix a race condition during signal handling in at91_do_twi_xfer.
commit
6721f28a26efd6368497abbdef5dcfc59608d899 upstream.
There is a race condition in at91_do_twi_xfer when signals arrive.
If a signal is recieved while waiting for a transfer to complete
wait_for_completion_interruptible_timeout() will return -ERESTARTSYS.
This is not handled correctly resulting in interrupts still being
enabled and a transfer being in flight when we return.
Symptoms include a range of oopses and bus lockups. Oopses can happen
when the transfer completes because the interrupt handler will corrupt
the stack. If a new transfer is started before the interrupt fires
the controller will start a new transfer in the middle of the old one,
resulting in confused slaves and a locked bus.
To avoid this, use wait_for_completion_io_timeout instead so that we
don't have to deal with gracefully shutting down the transfer and
disabling the interrupts.
Signed-off-by: Simon Lindgren <simon@aqwary.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Marek Roszko [Thu, 21 Aug 2014 01:39:41 +0000 (21:39 -0400)]
i2c: at91: add bound checking on SMBus block length bytes
commit
75b81f339c6af43f6f4a1b3eabe0603321dade65 upstream.
The driver was not bound checking the received length byte to ensure it was within the
the buffer size that is allocated for SMBus blocks. This resulted in buffer overflows
whenever an invalid length byte was received.
It also failed to ensure the length byte was not zero. If it received zero, it would end up
in an infinite loop as the at91_twi_read_next_byte function returned immediately without
allowing RHR to be read to clear the RXRDY interrupt.
Tested agaisnt a SMBus compliant battery.
Signed-off-by: Marek Roszko <mark.roszko@gmail.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Will Deacon [Thu, 11 Sep 2014 13:38:16 +0000 (14:38 +0100)]
arm64: flush TLS registers during exec
commit
eb35bdd7bca29a13c8ecd44e6fd747a84ce675db upstream.
Nathan reports that we leak TLS information from the parent context
during an exec, as we don't clear the TLS registers when flushing the
thread state.
This patch updates the flushing code so that we:
(1) Unconditionally zero the tpidr_el0 register (since this is fully
context switched for native tasks and zeroed for compat tasks)
(2) Zero the tp_value state in thread_info before clearing the
tpidrr0_el0 register for compat tasks (since this is only writable
by the set_tls compat syscall and therefore not fully switched).
A missing compiler barrier is also added to the compat set_tls syscall.
Acked-by: Nathan Lynch <Nathan_Lynch@mentor.com>
Reported-by: Nathan Lynch <Nathan_Lynch@mentor.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Anton Blanchard [Fri, 22 Aug 2014 01:36:52 +0000 (11:36 +1000)]
ibmveth: Fix endian issues with rx_no_buffer statistic
commit
cbd5228199d8be45d895d9d0cc2b8ce53835fc21 upstream.
Hidden away in the last 8 bytes of the buffer_list page is a solitary
statistic. It needs to be byte swapped or else ethtool -S will
produce numbers that terrify the user.
Since we do this in multiple places, create a helper function with a
comment explaining what is going on.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Murali Karicheri [Fri, 5 Sep 2014 17:21:00 +0000 (13:21 -0400)]
ahci: add pcid for Marvel 0x9182 controller
commit
c5edfff9db6f4d2c35c802acb4abe0df178becee upstream.
Keystone K2E EVM uses Marvel 0x9182 controller. This requires support
for the ID in the ahci driver.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
James Ralston [Wed, 27 Aug 2014 21:29:07 +0000 (14:29 -0700)]
ahci: Add Device IDs for Intel 9 Series PCH
commit
1b071a0947dbce5c184c12262e02540fbc493457 upstream.
This patch adds the AHCI mode SATA Device IDs for the Intel 9 Series PCH.
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Arjun Sreedharan [Sun, 17 Aug 2014 14:30:09 +0000 (20:00 +0530)]
pata_scc: propagate return value of scc_wait_after_reset
commit
4dc7c76cd500fa78c64adfda4b070b870a2b993c upstream.
scc_bus_softreset not necessarily should return zero.
Propagate the error code.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jiri Kosina [Thu, 7 Aug 2014 14:29:53 +0000 (16:29 +0200)]
drm/i915: read HEAD register back in init_ring_common() to enforce ordering
commit
ece4a17d237a79f63fbfaf3f724a12b6d500555c upstream.
Withtout this, ring initialization fails reliabily during resume with
[drm:init_ring_common] *ERROR* render ring initialization failed ctl
0001f001 head
ffffff8804 tail
00000000 start
000e4000
This is not a complete fix, but it is verified to make the ring
initialization failures during resume much less likely.
We were not able to root-cause this bug (likely HW-specific to Gen4 chips)
yet. This is therefore used as a ducttape before problem is fully
understood and proper fix created, so that people don't suffer from
completely unusable systems in the meantime.
The discussion and debugging is happening at
https://bugs.freedesktop.org/show_bug.cgi?id=76554
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alex Deucher [Mon, 28 Jul 2014 03:21:50 +0000 (23:21 -0400)]
drm/radeon: load the lm63 driver for an lm64 thermal chip.
commit
5dc355325b648dc9b4cf3bea4d968de46fd59215 upstream.
Looks like the lm63 driver supports the lm64 as well.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>