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aoe: fix use after free in aoedev_by_aoeaddr()

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We should return NULL on failure instead of returning a freed pointer.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2012-12-17 16:04:21 -08:00 committed by Linus Torvalds
parent 2b37c7d865
commit 31279b1457
1 changed files with 1 additions and 0 deletions
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1
drivers/block/aoe/aoedev.c
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@ -461,6 +461,7 @@ aoedev_by_aoeaddr(ulong maj, int min, int do_alloc)
d->targets = kcalloc(NTARGETS, sizeof(*d->targets), GFP_ATOMIC);
if (!d->targets) {
kfree(d);
d = NULL;
goto out;
}
d->ntargets = NTARGETS;