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-rw-r--r--components/drivers/wlan/wlan_mgnt.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/components/drivers/wlan/wlan_mgnt.c b/components/drivers/wlan/wlan_mgnt.c
index e0ee67e06c..cf2204c6b3 100644
--- a/components/drivers/wlan/wlan_mgnt.c
+++ b/components/drivers/wlan/wlan_mgnt.c
@@ -260,7 +260,8 @@ static rt_err_t rt_wlan_send_to_thread(rt_wlan_event_t event, void *buff, int le
msg->event = event;
if (len != 0)
{
- msg->buff = ((char *)msg) + sizeof(struct rt_wlan_msg);
+ msg->buff = (void *)&msg[1];
+ rt_memcpy(msg->buff, buff, len);
msg->len = len;
}