--- m/kernel/watch_queue.c
+++ n/kernel/watch_queue.c
@@ -631,9 +631,8 @@ void watch_queue_clear(struct watch_queu
 				}
 				put_watch(watch);
 			}
-		}
-
-		put_watch(watch);
+		} else
+			put_watch(watch);
 		spin_lock_bh(&wqueue->lock);
 	}