lockd: handle lockowner allocation failure in nlmclnt_proc()

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

diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 27c74f3..05d2912 100644 (file)
--- 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);