lkml.org 
[lkml]   [2012]   [Dec]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] aoe: 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>

diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index e66ccbf..98f2965 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;

\
 
 \ /
  Last update: 2012-12-07 08:02    [W:0.048 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site