add "thread->error = RT_EOK;" in rt_completion_wait

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2107 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 4 insertions, 1 deletions

diff --git a/components/drivers/src/completion.c b/components/drivers/src/completion.c
index a2f9a3058b..220fc04a87 100644
--- a/components/drivers/src/completion.c
+++ b/components/drivers/src/completion.c
@@ -42,6 +42,9 @@ rt_err_t rt_completion_wait(struct rt_completion* completion, rt_int32_t timeout
 		}

 		else

 		{

+			/* reset thread error number */
+			thread->error = RT_EOK;

+			

 			/* suspend thread */

 			rt_thread_suspend(thread);

 			/* add to suspended list */

@@ -92,7 +95,7 @@ void rt_completion_done(struct rt_completion* completion)
 

 		/* get thread entry */

 		thread = rt_list_entry(completion->suspended_list.next, struct rt_thread, tlist);

-

+		

 		/* resume it */

 		rt_thread_resume(thread);

 		rt_hw_interrupt_enable(level);