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authorJulia Lawall <julia@diku.dk>2010-05-15 23:21:43 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-17 16:31:15 -0700
commit94002c07ff0e207a883519ccc35c0b5390b29331 (patch)
treeb730a75ef2ad76d1e3a322e5982b30ca46b6c487 /drivers/staging/hv
parentStaging: vt6655: use ETH_HLEN macro instead of custom one (diff)
downloadlinux-dev-94002c07ff0e207a883519ccc35c0b5390b29331.tar.xz
linux-dev-94002c07ff0e207a883519ccc35c0b5390b29331.zip
Staging: Use kmemdup
Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; statement S; @@ - to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv')
-rw-r--r--drivers/staging/hv/vmbus.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/staging/hv/vmbus.c b/drivers/staging/hv/vmbus.c
index 0a9d8459db0c..007543bdb410 100644
--- a/drivers/staging/hv/vmbus.c
+++ b/drivers/staging/hv/vmbus.c
@@ -185,11 +185,10 @@ static void VmbusOnMsgDPC(struct hv_driver *drv)
/* no msg */
break;
} else {
- copied = kmalloc(sizeof(*copied), GFP_ATOMIC);
+ copied = kmemdup(msg, sizeof(*copied), GFP_ATOMIC);
if (copied == NULL)
continue;
- memcpy(copied, msg, sizeof(*copied));
osd_schedule_callback(gVmbusConnection.WorkQueue,
VmbusOnChannelMessage,
(void *)copied);