diff options
Diffstat (limited to 'drivers/usb/gadget/udc/bdc/bdc_ep.c')
| -rw-r--r-- | drivers/usb/gadget/udc/bdc/bdc_ep.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index 8e2f20b12519..fa88f210ecd5 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -1757,6 +1757,7 @@ static int bdc_gadget_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) { struct bdc_req *req; + struct bdc_req *iter; unsigned long flags; struct bdc_ep *ep; struct bdc *bdc; @@ -1771,12 +1772,16 @@ static int bdc_gadget_ep_dequeue(struct usb_ep *_ep, dev_dbg(bdc->dev, "%s ep:%s req:%p\n", __func__, ep->name, req); bdc_dbg_bd_list(bdc, ep); spin_lock_irqsave(&bdc->lock, flags); + + req = NULL; /* make sure it's still queued on this endpoint */ - list_for_each_entry(req, &ep->queue, queue) { - if (&req->usb_req == _req) - break; + list_for_each_entry(iter, &ep->queue, queue) { + if (&iter->usb_req != _req) + continue; + req = iter; + break; } - if (&req->usb_req != _req) { + if (!req) { spin_unlock_irqrestore(&bdc->lock, flags); dev_err(bdc->dev, "usb_req !=req n"); return -EINVAL; |