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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>
This commit is contained in:
Trond Myklebust 2007-10-09 11:04:57 -04:00 committed by Linus Torvalds
parent baf14aa14e
commit a6d8543042
1 changed files with 3 additions and 1 deletions
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4
fs/lockd/svclock.c
View File

@ -485,8 +485,10 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
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);