From ba2b9de0c1ac2abfbe663414a292c5881e64c361 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 2 Sep 2024 19:13:17 +0300
Subject: [PATCH] drm/tegra: fix potential uninitialized variable use
It's likely either output->drm_edid or output->ddc is non-NULL, but
avoid the uninitialized variable usage anyway.
Reported-by: kernel test robot <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/ZtXLyXxew7z6H2bD@stanley.mountain
Fixes: 98365ca74cbf ("drm/tegra: convert to struct drm_edid")
Cc: Thierry Reding <treding@nvidia.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: linux-tegra@vger.kernel.org
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902161317.2437148-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8e514bad271723473d31fcc496f7143ba49c43c5)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/tegra/output.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index e6b5863fec711..49e4f63a5550d 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -21,7 +21,7 @@
int tegra_output_connector_get_modes(struct drm_connector *connector)
{
struct tegra_output *output = connector_to_output(connector);
- const struct drm_edid *drm_edid;
+ const struct drm_edid *drm_edid = NULL;
int err = 0;
/*
--
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