NLM: Fix a memory leak in nlmsvc_testlock
The recent fix for a circular lock dependency unfortunately introduced a
potential memory leak in the event where the call to nlmsvc_lookup_host
fails for some reason.
Thanks to Roel Kluin for spotting this.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index d098c7a..d120ec3 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -485,8 +485,10 @@
return nlm_granted;
/* Create host handle for callback */
host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len);
- if (host == NULL)
+ if (host == NULL) {
+ kfree(conf);
return nlm_lck_denied_nolocks;
+ }
block = nlmsvc_create_block(rqstp, host, file, lock, cookie);
if (block == NULL) {
kfree(conf);