From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sun, 18 Dec 2011 23:22:50 +0000 (-0300)
Subject: [media] uvcvideo: Return -ENOTTY in case of unknown ioctl
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a3ec69b707718cb95317d1b783560210487c55a8;p=linux-beck.git

[media] uvcvideo: Return -ENOTTY in case of unknown ioctl

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

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 2ae4f880ea05..f09ee8b2ea54 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;