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46c31e1604
The result of cdn_dp_reg_write() is checked everywhere (with the error
being logged by the callers) except one place in cdn_dp_config_video().
Add the missing result check, bailing out early on error...
Found by Linux Verification Center (linuxtesting.org) with the Svace static
analysis tool.
Fixes: 1a0f7ed3ab ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: Sergey Shtylyov <s.shtylyov@auroraos.dev>
Cc: stable@vger.kernel.org
Reviewed-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/adf6b313-f7db-4d8f-9000-8c65446ba041@auroraos.dev