lockd: handle lockowner allocation failure in nlmclnt_proc()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 0 deletions

diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 27c74f32671b..05d29124c6ab 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -161,6 +161,11 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl)
                 return -ENOMEM;
 
         nlmclnt_locks_init_private(fl, host);
+        if (!fl->fl_u.nfs_fl.owner) {
+                /* lockowner allocation has failed */
+                nlmclnt_release_call(call);
+                return -ENOMEM;
+        }
         /* Set up the argument struct */
         nlmclnt_setlockargs(call, fl);