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authorDan Carpenter <error27@gmail.com>2010-03-22 16:07:14 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-22 19:57:19 +0300
commit99b437a9257cb6b267bf32adfb7675948dc6d485 (patch)
tree21173f7d22026bf37455cc7baa32e71acff82e8c
parent45575f5a426c01ec68cd33d998267ba2f6278fac (diff)
downloadlinux-99b437a9257cb6b267bf32adfb7675948dc6d485.tar.xz
AFS: Potential null dereference
It seems clear from the surrounding code that xpermits is allowed to be NULL here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/afs/security.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/afs/security.c b/fs/afs/security.c
index 3ef504370034..bb4ed144d0e4 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -189,8 +189,9 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key *key, long acl_order)
if (!permits)
goto out_unlock;
- memcpy(permits->permits, xpermits->permits,
- count * sizeof(struct afs_permit));
+ if (xpermits)
+ memcpy(permits->permits, xpermits->permits,
+ count * sizeof(struct afs_permit));
_debug("key %x access %x",
key_serial(key), vnode->status.caller_access);