[PATCH] drm/mcde: Fix uninitialized value

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"val" isn't initialized on the default: errorpath.
Just return from the function if this happens.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpu/drm/mcde/mcde_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c
index 192e11c88d72..d941026b940c 100644
--- a/drivers/gpu/drm/mcde/mcde_display.c
+++ b/drivers/gpu/drm/mcde/mcde_display.c
@@ -569,7 +569,7 @@ static void mcde_configure_channel(struct mcde *mcde, enum mcde_channel ch,
 	default:
 		dev_err(mcde->dev, "unknown flow mode %d\n",
 			mcde->flow_mode);
-		break;
+		return;
 	}
 
 	writel(val, mcde->regs + sync);
-- 
2.26.2

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