drm_analog_tv_mode() and its variants return a drm_display_mode that
needs to be destroyed later one. The drm_test_pick_cmdline_named() test
never does however, which leads to a memory leak.

Let's make sure it's freed.

Closes: 
https://lore.kernel.org/dri-devel/a7655158a6367ac46194d57f4b7433ef0772a73e.ca...@mailbox.org/
Fixes: fedcaf726f54 ("drm/modes: Properly generate a drm_display_mode from a 
named mode")
Signed-off-by: Maxime Ripard <mrip...@kernel.org>
---
 drivers/gpu/drm/tests/drm_client_modeset_test.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tests/drm_client_modeset_test.c 
b/drivers/gpu/drm/tests/drm_client_modeset_test.c
index 
3e9518d7b8b7eb92f1be3ce376d850cbab638d10..b2fdb1a774fe69c4e14b718324d7380f900bd548
 100644
--- a/drivers/gpu/drm/tests/drm_client_modeset_test.c
+++ b/drivers/gpu/drm/tests/drm_client_modeset_test.c
@@ -130,11 +130,12 @@ static void drm_test_pick_cmdline_named(struct kunit 
*test)
        const struct drm_connector_pick_cmdline_mode_test *params = 
test->param_value;
        struct drm_client_modeset_test_priv *priv = test->priv;
        struct drm_device *drm = priv->drm;
        struct drm_connector *connector = &priv->connector;
        struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode;
-       const struct drm_display_mode *expected_mode, *mode;
+       const struct drm_display_mode *mode;
+       struct drm_display_mode *expected_mode;
        const char *cmdline = params->cmdline;
        int ret;
 
        KUNIT_ASSERT_TRUE(test,
                          drm_mode_parse_command_line_for_connector(cmdline,
@@ -150,10 +151,13 @@ static void drm_test_pick_cmdline_named(struct kunit 
*test)
        KUNIT_ASSERT_NOT_NULL(test, mode);
 
        expected_mode = params->func(drm);
        KUNIT_ASSERT_NOT_NULL(test, expected_mode);
 
+       ret = drm_kunit_add_mode_destroy_action(test, expected_mode);
+       KUNIT_ASSERT_EQ(test, ret, 0);
+
        KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode));
 }
 
 static const
 struct drm_connector_pick_cmdline_mode_test 
drm_connector_pick_cmdline_mode_tests[] = {

-- 
2.49.0

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