From: Ville Syrjälä <[email protected]>

Pass the length returned by hdmi_infoframe_pack_only() to
intel_sdvo_write_infoframe() so that we don't end up writing
stack garbage into the hbuf.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/intel_sdvo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c 
b/drivers/gpu/drm/i915/intel_sdvo.c
index 4e701c8f8971..d5a95eca23ba 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1102,7 +1102,7 @@ static bool intel_sdvo_set_avi_infoframe(struct 
intel_sdvo *intel_sdvo,
 
        return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
                                          SDVO_HBUF_TX_VSYNC,
-                                         sdvo_data, sizeof(sdvo_data));
+                                         sdvo_data, len);
 }
 
 static void intel_sdvo_get_avi_infoframe(struct intel_sdvo *intel_sdvo,
-- 
2.21.0

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