[PATCH 3/5] leds: led-test: Provide test for registration with missing devicename

[Lee Jones <lee@kernel.org>]

Insist on legacy (non-DT) registration and omit the devicename, which
should fail with an invalid argument error.

Signed-off-by: Lee Jones <lee@kernel.org>
---
 drivers/leds/led-test.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/leds/led-test.c b/drivers/leds/led-test.c
index 27c8d13bd2e1..3d71c7a23e21 100644
--- a/drivers/leds/led-test.c
+++ b/drivers/leds/led-test.c
@@ -108,10 +108,26 @@ static void led_test_class_init_data_missing_default_label(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, ret, -EINVAL);
 }
 
+static void led_test_class_init_data_missing_devicename(struct kunit *test)
+{
+	struct led_test_ddata *ddata = test->priv;
+	struct led_classdev *cdev = &ddata->cdev;
+	struct device *dev = ddata->dev;
+	int ret;
+
+	struct led_init_data init_data = {
+		.default_label = "led-test-label",
+	};
+
+	ret = led_classdev_register_ext(dev, cdev, &init_data);
+	KUNIT_EXPECT_EQ(test, ret, -EINVAL);
+}
+
 static struct kunit_case led_test_cases[] = {
 	KUNIT_CASE(led_test_class_register),
 	KUNIT_CASE(led_test_class_add_lookup_and_get),
 	KUNIT_CASE(led_test_class_init_data_missing_default_label),
+	KUNIT_CASE(led_test_class_init_data_missing_devicename),
 	{ }
 };
 
-- 
2.49.0.1045.g170613ef41-goog