Merge "usb: f_gps: Fix infinite loop of response available notifications" (d48a8879) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/usb/gadget/function/f_gps.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -255,6 +255,7 @@ static void gps_purge_responses(struct f_gps *dev)

		pr_debug("%s: port#%d\n", __func__, dev->port_num);

		usb_ep_dequeue(dev->notify, dev->notify_req);
		spin_lock_irqsave(&dev->lock, flags);
		while (!list_empty(&dev->cpkt_resp_q)) {
		cpkt = list_first_entry(&dev->cpkt_resp_q,
		@@ -599,6 +600,8 @@ static void gps_notify_complete(struct usb_ep ep, struct usb_request req)
		if (!atomic_read(&dev->ctrl_online))
		break;

		pr_debug("%s: decrement notify_count:%u\n", __func__,
		atomic_read(&dev->notify_count));
		if (atomic_dec_and_test(&dev->notify_count))
		break;