Input: mpu3050 - correct call to input_free_device

input_free_device() should be used if input_register_device() was not called
yet or if it failed.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/mpu3050.c b/drivers/input/misc/mpu3050.c
index b95fac1..f71dc72 100644
--- a/drivers/input/misc/mpu3050.c
+++ b/drivers/input/misc/mpu3050.c
@@ -282,7 +282,7 @@
 err_pm_set_suspended:
 	pm_runtime_set_suspended(&client->dev);
 err_free_mem:
-	input_unregister_device(idev);
+	input_free_device(idev);
 	kfree(sensor);
 	return error;
 }