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media: sun6i-csi: bridge: Error out on invalid port to fix warning

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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: 0d2b746b1b ("media: sun6i-csi: Add bridge v4l2 subdev with port management")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Paul Kocialkowski 2022-12-08 15:19:56 +01:00 committed by Mauro Carvalho Chehab
parent 73278d4833
commit 7fabed7ae6
1 changed files with 1 additions and 1 deletions
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2
drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c
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@ -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;