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cris/uaccess: fix sparse errors
author
Michael S. Tsirkin
<mst@redhat.com>
Thu, 11 Dec 2014 23:56:04 +0000
(
01:56
+0200)
committer
Michael S. Tsirkin
<mst@redhat.com>
Tue, 13 Jan 2015 13:23:09 +0000
(15:23 +0200)
virtio wants to read bitwise types from userspace using get_user. At the
moment this triggers sparse errors, since the value is passed through an
integer.
Fix that up using __force.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
arch/cris/include/asm/uaccess.h
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diff --git
a/arch/cris/include/asm/uaccess.h
b/arch/cris/include/asm/uaccess.h
index 914540801c5e0fbe5bf74a41b5c740ca08f34da6..9cf5a23baed3fb027a50edec7b0b3bc81f565682 100644
(file)
--- a/
arch/cris/include/asm/uaccess.h
+++ b/
arch/cris/include/asm/uaccess.h
@@
-153,7
+153,7
@@
struct __large_struct { unsigned long buf[100]; };
({ \
long __gu_err, __gu_val; \
__get_user_size(__gu_val,(ptr),(size),__gu_err); \
- (x) = (__
typeof__(*(ptr)))__gu_val;
\
+ (x) = (__
force __typeof__(*(ptr)))__gu_val;
\
__gu_err; \
})
@@
-163,7
+163,7
@@
struct __large_struct { unsigned long buf[100]; };
const __typeof__(*(ptr)) *__gu_addr = (ptr); \
if (access_ok(VERIFY_READ,__gu_addr,size)) \
__get_user_size(__gu_val,__gu_addr,(size),__gu_err); \
- (x) = (__
typeof__(*(ptr)))__gu_val;
\
+ (x) = (__
force __typeof__(*(ptr)))__gu_val;
\
__gu_err; \
})