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We need to handle the case when of_drm_find_bridge() returns NULL. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190618115245.13915-1-linus.walleij@linaro.org