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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-12-18 01:04:21 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 02:15:26 +0100 |
| commit | 31279b1457f992f24eee8d45ddd647f5fce42cf6 (patch) | |
| tree | 25e8286f5e1fc6e01219eac7452b043a62aae90e /drivers/block/aoe | |
| parent | aoe: update internal version number to 81 (diff) | |
| download | linux-31279b1457f992f24eee8d45ddd647f5fce42cf6.tar.xz linux-31279b1457f992f24eee8d45ddd647f5fce42cf6.zip | |
aoe: fix use after free in aoedev_by_aoeaddr()
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>
Diffstat (limited to 'drivers/block/aoe')
| -rw-r--r-- | drivers/block/aoe/aoedev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c index e66ccbf41a50..98f2965778b9 100644 --- a/drivers/block/aoe/aoedev.c +++ b/drivers/block/aoe/aoedev.c @@ -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; |