From: Linda Xie <lxiep@us.ibm.com>
Date: Thu, 22 Sep 2005 07:48:24 +0000 (-0700)
Subject: [PATCH] PCI Hotplug: Fix buffer overrun in rpadlpar_sysfs.c
X-Git-Tag: firefly_0821_release~40860^2~103
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=02fe75a9ad797b4f8ccf1ee8e49833b77cc30c6a;p=firefly-linux-kernel-4.4.55.git

[PATCH] PCI Hotplug: Fix buffer overrun in rpadlpar_sysfs.c

Signed-off-by: Linda Xie <lxie@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index 752e6513c447..db69be85b458 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -62,7 +62,7 @@ static ssize_t add_slot_store(struct dlpar_io_attr *dlpar_attr,
 	char drc_name[MAX_DRC_NAME_LEN];
 	char *end;
 
-	if (nbytes > MAX_DRC_NAME_LEN)
+	if (nbytes >= MAX_DRC_NAME_LEN)
 		return 0;
 
 	memcpy(drc_name, buf, nbytes);
@@ -83,7 +83,7 @@ static ssize_t remove_slot_store(struct dlpar_io_attr *dlpar_attr,
 	char drc_name[MAX_DRC_NAME_LEN];
 	char *end;
 
-	if (nbytes > MAX_DRC_NAME_LEN)
+	if (nbytes >= MAX_DRC_NAME_LEN)
 		return 0;
 
 	memcpy(drc_name, buf, nbytes);