From 8e57b5fdd4636b3b3a39f78cbd3f4cbc6396b207 Mon Sep 17 00:00:00 2001
From: Shell <smokewood@qq.com>
Date: Fri, 13 Oct 2023 14:21:06 +0800
Subject: [PATCH] [smart] fixup: lwp_free() (#8126)

Signed-off-by: shell <wangxiaoyao@rt-thread.com>
---
 components/lwp/lwp_pid.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/lwp/lwp_pid.c b/components/lwp/lwp_pid.c
index a52265debd..adfa167c72 100644
--- a/components/lwp/lwp_pid.c
+++ b/components/lwp/lwp_pid.c
@@ -425,6 +425,7 @@ void lwp_free(struct rt_lwp* lwp)
 #ifdef ARCH_MM_MMU
     lwp_unmap_user_space(lwp);
 #endif
+    timer_list_free(&lwp->timer);
 
     level = rt_hw_interrupt_disable();
     /* for children */
@@ -506,7 +507,6 @@ void lwp_free(struct rt_lwp* lwp)
         }
     }
 
-    timer_list_free(&lwp->timer);
     lwp_pid_put(lwp_to_pid(lwp));
     rt_hw_interrupt_enable(level);
     rt_free(lwp);
@@ -706,6 +706,7 @@ pid_t waitpid(pid_t pid, int *status, int options)
         }
         (*lwp_node) = lwp->sibling;
         lwp->parent = RT_NULL;
+        lwp_pid_put(pid);
     }
 
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