From 5fb8a9f7e558977a8027eec32565a2de6b87636b Mon Sep 17 00:00:00 2001
From: Ruihan Li <lrh2000@pku.edu.cn>
Date: Tue, 2 Jan 2024 23:42:28 +0800
Subject: [PATCH] Clean up `waiter` correctly when the timer expires

---
 framework/aster-frame/src/sync/wait.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/framework/aster-frame/src/sync/wait.rs b/framework/aster-frame/src/sync/wait.rs
index 146e17c36..cafa0260b 100644
--- a/framework/aster-frame/src/sync/wait.rs
+++ b/framework/aster-frame/src/sync/wait.rs
@@ -99,7 +99,8 @@ impl WaitQueue {
             if let Some(ref timer_callback) = timer_callback
                 && timer_callback.is_expired()
             {
-                return None;
+                self.dequeue(&waiter);
+                return cond();
             }
 
             waiter.wait();