[PATCH] udl: handle EDID failure properly.
Dave Airlie
airlied at gmail.com
Thu Apr 11 20:25:58 PDT 2013
Don't oops seems proper.
Cc: stable at vger.kernel.org
Signed-off-by: Dave Airlie <airlied at 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
--
1.8.2
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