diff mbox series

[v3,02/12] media: sun6i-csi: bridge: Error out on invalid port to fix warning

Message ID 20221208142006.425809-3-paul.kocialkowski@bootlin.com
State Superseded
Headers show
Series Allwinner A31/A83T CSI/ISP/MIPI CSI-2 media fixes | expand

Commit Message

Paul Kocialkowski Dec. 8, 2022, 2:19 p.m. UTC
The enabled variable is only set for a valid port and used later,
which triggers an uninitialized use smatch warning. Explicitly error
out in that case to fix the warning.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Fixes: 0d2b746b1bef ("media: sun6i-csi: Add bridge v4l2 subdev with port management")
---
 drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c
index 88df3a73ebfa..4517c0346eef 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c
@@ -663,7 +663,7 @@  sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier,
 		enabled = !bridge->source_parallel.expected;
 		break;
 	default:
-		break;
+		return -EINVAL;
 	}
 
 	source->subdev = remote_subdev;