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| /openbmc/linux/drivers/gpu/drm/panel/ |
| H A D | panel-arm-versatile.c | diff 8a9dd36fcb4f3906982b82593393578db4479992 Fri Oct 06 22:31:05 CDT 2023 Ma Ke <make_ruc2021@163.com> drm/panel: fix a possible null pointer dereference
[ Upstream commit 924e5814d1f84e6fa5cb19c6eceb69f066225229 ]
In versatile_panel_get_modes(), the return value of drm_mode_duplicate()
is assigned to mode, which will lead to a NULL pointer dereference
on failure of drm_mode_duplicate(). Add a check to avoid npd.
Signed-off-by: Ma Ke <make_ruc2021@163.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231007033105.3997998-1-make_ruc2021@163.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231007033105.3997998-1-make_ruc2021@163.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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