Merge "Bluetooth: uhid: Prevent deadlock while waiting for response"

	uhid_queue(uhid, ev);

	spin_unlock_irqrestore(&uhid->qlock, flags);

	/*

	 * Assumption: report_lock and devlock are both locked. So unlock

	 * before sleeping.

	 */

	mutex_unlock(&uhid->report_lock);

	mutex_unlock(&uhid->devlock);

	ret = wait_event_interruptible_timeout(uhid->report_wait,

				!uhid->report_running || !uhid->running,

				5 * HZ);

	ret = mutex_lock_interruptible(&uhid->devlock);

	if (ret)

		return ret;

	ret = mutex_lock_interruptible(&uhid->report_lock);

	if (ret) {

		/*

		 * Failed to lock, unlock previous mutex before exiting

		 * this function.

		 */

		mutex_unlock(&uhid->devlock);

		return ret;

	}

	if (!ret || !uhid->running || uhid->report_running)

		ret = -EIO;

	else if (ret < 0)