path: don't leak the udev device on failure

If by sheer coincidence the device succeeds on the last try, we'd have a
leaking udev device.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/path-seat.c

@@ -308,16 +308,15 @@ udev_device_from_devnode(struct libinput *libinput,
 
 	while (dev && !udev_device_get_is_initialized(dev)) {
 		udev_device_unref(dev);
-		msleep(10);
-		dev = udev_device_new_from_devnum(udev, 'c', st.st_rdev);
-
 		count++;
 		if (count > 200) {
 			log_bug_libinput(libinput,
 					"udev device never initialized (%s)\n",
 					devnode);
 			return NULL;
 		}
+		msleep(10);
+		dev = udev_device_new_from_devnum(udev, 'c', st.st_rdev);
 	}
 
 	return dev;