[PATCH] usb/hid-core: add set_current_state() before schedule_timeout()

Add set_current_state() before schedule_timeout() so that the task
delays as expected. Without the addition, schedule_timeout() will return
immediately on subsequent iterations of the while-loop.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/usb/input/hid-core.c

@@ -1258,8 +1258,10 @@ int hid_wait_io(struct hid_device *hid)
 	add_wait_queue(&hid->wait, &wait);
 
 	while (timeout && (test_bit(HID_CTRL_RUNNING, &hid->iofl) ||
-			   test_bit(HID_OUT_RUNNING, &hid->iofl)))
+			   test_bit(HID_OUT_RUNNING, &hid->iofl))) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
 		timeout = schedule_timeout(timeout);
+	}
 
 	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&hid->wait, &wait);