[Kernel] message 可以返回消息的实际大小 (#7709)

1 files changed, 3 insertions, 3 deletions

diff --git a/components/drivers/usb/usbhost/core/hub.c b/components/drivers/usb/usbhost/core/hub.c
index 549fe373d4..bf55be3452 100644
--- a/components/drivers/usb/usbhost/core/hub.c
+++ b/components/drivers/usb/usbhost/core/hub.c
@@ -659,8 +659,8 @@ static void rt_usbh_hub_thread_entry(void* parameter)
         struct uhost_msg msg;
 
         /* receive message */
-        if(rt_mq_recv(hcd->usb_mq, &msg, sizeof(struct uhost_msg), RT_WAITING_FOREVER)
-            != RT_EOK ) continue;
+        if (rt_mq_recv(hcd->usb_mq, &msg, sizeof(struct uhost_msg), RT_WAITING_FOREVER) < 0)
+            continue;
 
         //RT_DEBUG_LOG(RT_DEBUG_USB, ("msg type %d\n", msg.type));
 
@@ -711,7 +711,7 @@ void rt_usbh_hub_init(uhcd_t hcd)
     {
         LOG_E("hcd->roothub: allocate buffer failed.");
         return;
-    }         
+    }
     rt_memset(hcd->roothub, 0, sizeof(struct uhub));
     hcd->roothub->is_roothub = RT_TRUE;
     hcd->roothub->hcd = hcd;