Merge "USB: dwc3: gadget: Don't queue endless req through generic ep_queue" (733dacd7) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/usb/dwc3/gadget.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -1421,6 +1421,17 @@ static int dwc3_gadget_ep_queue(struct usb_ep ep, struct usb_request request,
		return -ESHUTDOWN;
		}

		/*
		* Queuing endless request to USB endpoint through generic ep queue
		* API should not be allowed.
		*/
		if (dep->endpoint.endless) {
		dev_dbg(dwc->dev, "trying to queue endless request %p to %s\n",
		request, ep->name);
		spin_unlock_irqrestore(&dwc->lock, flags);
		return -EPERM;
		}

		if (dwc3_gadget_is_suspended(dwc)) {
		if (dwc->gadget.remote_wakeup)
		dwc3_gadget_wakeup(&dwc->gadget);