[RFC/PATCH 2/3] uvcvideo: Return -ENOTTY in case of unknown ioctl

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-EINVAL is the wrong error code in that case, replace it with -ENOTTY.

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 drivers/media/video/uvc/uvc_v4l2.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 2ae4f88..f09ee8b 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -1012,7 +1012,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
 	default:
 		uvc_trace(UVC_TRACE_IOCTL, "Unknown ioctl 0x%08x\n", cmd);
-		return -EINVAL;
+		return -ENOTTY;
 	}
 
 	return ret;
-- 
1.7.3.4

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