From: wlf <wulf@rock-chips.com>
Date: Wed, 22 May 2013 09:33:38 +0000 (+0800)
Subject: USB: fix usb lock without unlock if req->queue is not empty
X-Git-Tag: firefly_0821_release~7051
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=88d9ead294e88d97d86d4c137d9c42920ca1fa2b;p=firefly-linux-kernel-4.4.55.git

USB: fix usb lock without unlock if req->queue is not empty
---

diff --git a/drivers/usb/dwc_otg/dwc_otg_pcd.c b/drivers/usb/dwc_otg/dwc_otg_pcd.c
index ba9516bc9c0e..a9b05d6ebea6 100755
--- a/drivers/usb/dwc_otg/dwc_otg_pcd.c
+++ b/drivers/usb/dwc_otg/dwc_otg_pcd.c
@@ -568,11 +568,14 @@ static int dwc_otg_pcd_ep_queue(struct usb_ep *_ep,
 	/* 20091226,HSL@RK */
 	if ( !list_empty(&req->queue) ) 
 	{
-        while(!list_empty(&req->queue) ) {
-                ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
-                request_done(ep, req, -ECONNABORTED);
-        DWC_PRINT("%s::ep %s req not empty,done it error!\n" , __func__, _ep->name);
-        }
+		list_del_init(&req->queue);
+		ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
+		DWC_PRINT("%s::ep %s req not empty,done it error!\n" , __func__, _ep->name);
+		ep->pcd->vbus_status = 0;
+		if(ep->pcd->conn_status)
+		{
+			ep->pcd->conn_status = 0;
+		}
 		return -EINVAL;
 	}