[ Upstream commit761e9f4f80] The of_drm_find_bridge() function returns NULL on error, it doesn't return error pointers so this check doesn't work. Fixes:5fc537bfd0("drm/mcde: Add new driver for ST-Ericsson MCDE") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200430073145.52321-1-weiyongjun1@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org>