If the name we want to parse has a length of zero, there's no need to compare it to the list of all the named modes we support, we can return straight away. Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index b1e800e4ed60..8d629fbb1047 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -2235,6 +2235,9 @@ static int drm_mode_parse_cmdline_named_mode(const char *name, { unsigned int i; + if (!name_end) + return 0; + /* * We're sure we're a named mode at that point, iterate over the * list of modes we're aware of. -- b4 0.10.0