commit 977ba3b1b73f24fae2d0c8bd59d7a4696f1e0ccc
author Hans Verkuil <hans.verkuil@cisco.com> Sun Mar 24 08:28:46 2013 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> Sun Mar 24 08:47:01 2013 -0300
tree 8a30d06717aacc154e851868c40e2596c3a572be
parent b5656e8b7363c4e248e6372dc34828d3dfb17832

[media] v4l2: add const to argument of write-only s_register ioctl

This ioctl is defined as IOW, so pass the argument as const.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/pci/saa7146/mxb.c

diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index 9dd044b..71e8bea 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -680,7 +680,7 @@
 	return 0;
 }
 
-static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
+static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
 {
 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 
@@ -688,7 +688,6 @@
 		return -EPERM;
 	if (v4l2_chip_match_host(&reg->match)) {
 		saa7146_write(dev, reg->reg, reg->val);
-		reg->size = 4;
 		return 0;
 	}
 	return call_all(dev, core, s_register, reg);