--- fs/locks.c	Fri Sep  7 23:06:49 2001
+++ fs/locks.c.new	Sat Sep  8 01:03:50 2001
@@ -698,6 +698,9 @@
 	struct file_lock *new_fl = locks_alloc_lock(0);
 	int error;
 
+	if (new_fl == NULL)
+		return -ENOMEM;
+
 	new_fl->fl_owner = current->files;
 	new_fl->fl_pid = current->pid;
 	new_fl->fl_file = filp;