[media] v4l2: pass std by value to the write-only s_std ioctl

This ioctl is defined as IOW, so pass the argument by value instead of by
reference. I could have chosen to add const instead, but this is 1) easier
to handle in drivers and 2) consistent with the s_std subdev operation.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c
index 9961e13f683d..ef0efdf422fe 100644
--- a/drivers/media/platform/s5p-tv/mixer_video.c
+++ b/drivers/media/platform/s5p-tv/mixer_video.c
@@ -574,7 +574,7 @@ static int mxr_dv_timings_cap(struct file *file, void *fh,
         return ret ? -EINVAL : 0;
 }
 
-static int mxr_s_std(struct file *file, void *fh, v4l2_std_id *norm)
+static int mxr_s_std(struct file *file, void *fh, v4l2_std_id norm)
 {
         struct mxr_layer *layer = video_drvdata(file);
         struct mxr_device *mdev = layer->mdev;
@@ -591,7 +591,7 @@ static int mxr_s_std(struct file *file, void *fh, v4l2_std_id *norm)
                 return -EBUSY;
         }
 
-        ret = v4l2_subdev_call(to_outsd(mdev), video, s_std_output, *norm);
+        ret = v4l2_subdev_call(to_outsd(mdev), video, s_std_output, norm);
 
         mutex_unlock(&mdev->mutex);