[PATCH] drm/tests: probe_helper: Fix unitialized variable

[Maxime Ripard]

The len variable is used while uninitialized. Initialize it.

Fixes: 1e4a91db109f ("drm/probe-helper: Provide a TV get_modes helper")
Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: Maxime Ripard <maxime at cerno.tech>
---
 drivers/gpu/drm/tests/drm_probe_helper_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tests/drm_probe_helper_test.c b/drivers/gpu/drm/tests/drm_probe_helper_test.c
index 7e938258c742..211131405500 100644
--- a/drivers/gpu/drm/tests/drm_probe_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_probe_helper_test.c
@@ -115,6 +115,7 @@ drm_test_connector_helper_tv_get_modes_check(struct kunit *test)
 	ret = drm_connector_helper_tv_get_modes(connector);
 	KUNIT_EXPECT_EQ(test, ret, params->num_expected_modes);
 
+	len = 0;
 	list_for_each_entry(mode, &connector->probed_modes, head)
 		len++;
 	KUNIT_EXPECT_EQ(test, len, params->num_expected_modes);
-- 
2.38.1