udl: handle EDID failure properly.

Don't oops seems proper.

Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2013-04-12 13:25:20 +10:00 committed by Dave Airlie
parent cfb63bafdb
commit 1baee58638

View file

@ -61,6 +61,10 @@ static int udl_get_modes(struct drm_connector *connector)
int ret;
edid = (struct edid *)udl_get_edid(udl);
if (!edid) {
drm_mode_connector_update_edid_property(connector, NULL);
return 0;
}
/*
* We only read the main block, but if the monitor reports extension