allow parameter "recved" can be null in function "rt_event_recv"

5b03e37a · pathletboy · 086e1bd9 · 5b03e37a
隐藏空白更改
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Showing with 2 addition and 1 deletion

src/ipc.c src/ipc.c +2 -1

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--- a/src/ipc.c
+++ b/src/ipc.c
@@ -1139,7 +1139,8 @@ rt_err_t rt_event_recv(rt_event_t   event,
    if (status == RT_EOK)
    {
        /* set received event */
-        *recved = (event->set & set);
+        if (recved)
+        	*recved = (event->set & set);

        /* received event */
        if (option & RT_EVENT_FLAG_CLEAR)