[PATCH] drm/i915/sdvo: ignore returned broken edid on intel_sdvo_tmds_sink_detect

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If drm_edid_raw returned NULL on error don't try accessing anything behind
that NULL

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_sdvo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 8298a86d1334..065e619f934f 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -2097,7 +2097,7 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
 		const struct edid *edid = drm_edid_raw(drm_edid);
 
 		/* DDC bus is shared, match EDID to connector type */
-		if (edid->input & DRM_EDID_INPUT_DIGITAL)
+		if (edid && edid->input & DRM_EDID_INPUT_DIGITAL)
 			status = connector_status_connected;
 		else
 			status = connector_status_disconnected;
-- 
2.40.0




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