From 46f56ded295ade9d643fb13cd60747212d7da11f Mon Sep 17 00:00:00 2001
From: qiyongzhong0 <917768104@qq.com>
Date: Wed, 7 Jul 2021 09:54:40 +0800
Subject: [PATCH] fix src/clock.c

---
 src/clock.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/clock.c b/src/clock.c
index 0880d8d241..07dc1bce58 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -72,6 +72,11 @@ void rt_tick_increase(void)
 
     /* check time slice */
     thread = rt_thread_self();
+    if (thread == RT_NULL)
+    {
+        rt_hw_interrupt_enable(level);
+        return;
+    }
 
     -- thread->remaining_tick;
     if (thread->remaining_tick == 0)
-- 
Gitee