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authorMihnea Dobrescu-Balaur <mihneadb@gmail.com>2013-03-11 12:23:36 +0100
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-03-18 21:31:31 +0100
commit29d0b218c87ace1078e08bb32c2e72fc96fa3db3 (patch)
tree439d33d7c607ecca5410754117438f82458a2696 /drivers
parentxen-blkback: fix dispatch_rw_block_io() error path (diff)
downloadlinux-29d0b218c87ace1078e08bb32c2e72fc96fa3db3.tar.xz
linux-29d0b218c87ace1078e08bb32c2e72fc96fa3db3.zip
xen-blkfront: replace kmalloc and then memcpy with kmemdup
The benefits are: * code is cleaner * kmemdup adds additional debugging info useful for tracking the real place where memory was allocated (CONFIG_DEBUG_SLAB). Signed-off-by: Mihnea Dobrescu-Balaur <mihneadb@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/xen-blkfront.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index c3dae2e0f290..962064487ef7 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1203,11 +1203,10 @@ static int blkif_recover(struct blkfront_info *info)
int j;
/* Stage 1: Make a safe copy of the shadow state. */
- copy = kmalloc(sizeof(info->shadow),
+ copy = kmemdup(info->shadow, sizeof(info->shadow),
GFP_NOIO | __GFP_REPEAT | __GFP_HIGH);
if (!copy)
return -ENOMEM;
- memcpy(copy, info->shadow, sizeof(info->shadow));
/* Stage 2: Set up free list. */
memset(&info->shadow, 0, sizeof(info->shadow));