From 178fce54bd7841836f68f83426344b2c60dd14e5 Mon Sep 17 00:00:00 2001
From: zyh <lymz@foxmail.com>
Date: Mon, 28 May 2018 11:04:49 +0800
Subject: [PATCH] [Components][USB]fix device ep write 1bytes on hs

---
 components/drivers/usb/usbdevice/core/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/drivers/usb/usbdevice/core/core.c b/components/drivers/usb/usbdevice/core/core.c
index c8cd362be..297e1ab48 100644
--- a/components/drivers/usb/usbdevice/core/core.c
+++ b/components/drivers/usb/usbdevice/core/core.c
@@ -955,6 +955,7 @@ static rt_size_t rt_usbd_ep_write(udevice_t device, uep_t ep, void *buffer, rt_s
     RT_ASSERT(device->dcd != RT_NULL);
     RT_ASSERT(ep != RT_NULL);    
 
+    rt_enter_critical();
     maxpacket = EP_MAXPACKET(ep);
     if(ep->request.remain_size >= maxpacket)
     {
@@ -968,7 +969,7 @@ static rt_size_t rt_usbd_ep_write(udevice_t device, uep_t ep, void *buffer, rt_s
             ep->request.remain_size);
         ep->request.remain_size = 0;
     }
-
+    rt_exit_critical();
     return size;
 }
 
-- 
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