[PATCH] udl: handle EDID failure properly.

Don't oops seems proper.

Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/udl/udl_connector.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index fe5cdbc..b44d548 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -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