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

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This commit is contained in:
wlf
2013-05-22 17:33:38 +08:00
parent effda8e01b
commit 88d9ead294
1 changed files with 8 additions and 5 deletions
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13
drivers/usb/dwc_otg/dwc_otg_pcd.c
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@@ -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;
}