[Intel-gfx] [PATCH] drm/i915/display: Return early after MISSING_CSAE for write_dp_sdp

[Chris Wilson]

Avoid using the uninitialised len along the impossible error path to
shut the compiler up:

drivers/gpu/drm/i915/display/intel_dp.c:4928 intel_write_dp_sdp() error: uninitialized symbol 'len'.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 7f1a4e55cda1..c33a39065704 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -4922,7 +4922,7 @@ static void intel_write_dp_sdp(struct intel_encoder *encoder,
 		break;
 	default:
 		MISSING_CASE(type);
-		break;
+		return;
 	}
 
 	if (drm_WARN_ON(&dev_priv->drm, len < 0))
-- 
2.20.1