From a96156faf11d97e50687732f95a2d589c39dc194 Mon Sep 17 00:00:00 2001
From: tangyuxin <462747508@qq.com>
Date: Sun, 7 Feb 2021 10:30:25 +0800
Subject: [PATCH] =?UTF-8?q?[workqueue]=20=E6=8F=90=E4=BA=A4=E6=AD=A3?=
 =?UTF-8?q?=E5=9C=A8=E6=89=A7=E8=A1=8C=E7=9A=84=E5=B7=A5=E4=BD=9C=EF=BC=8C?=
 =?UTF-8?q?=E8=BF=94=E5=9B=9E=20BUSY?=
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---
 components/drivers/src/workqueue.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/components/drivers/src/workqueue.c b/components/drivers/src/workqueue.c
index ce1ca071c3..f6bb6114aa 100644
--- a/components/drivers/src/workqueue.c
+++ b/components/drivers/src/workqueue.c
@@ -90,6 +90,7 @@ static rt_err_t _workqueue_submit_work(struct rt_workqueue *queue,
         struct rt_work *work, rt_tick_t ticks)
 {
     rt_base_t level;
+    rt_err_t err;
 
     level = rt_hw_interrupt_disable();
     /* remove list */
@@ -103,6 +104,11 @@ static rt_err_t _workqueue_submit_work(struct rt_workqueue *queue,
             rt_list_insert_after(queue->work_list.prev, &(work->list));
             work->flags |= RT_WORK_STATE_PENDING;
             work->workqueue = queue;
+            err = RT_EOK;
+        }
+        else
+        {
+            err = -RT_EBUSY;
         }
 
         /* whether the workqueue is doing work */
@@ -118,7 +124,7 @@ static rt_err_t _workqueue_submit_work(struct rt_workqueue *queue,
         {
             rt_hw_interrupt_enable(level);
         }
-        return RT_EOK;
+        return err;
     }
     else if (ticks < RT_TICK_MAX / 2)
     {
-- 
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