diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-03-24 08:28:46 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-24 08:47:01 -0300 |
| commit | 977ba3b1b73f24fae2d0c8bd59d7a4696f1e0ccc (patch) | |
| tree | 8a30d06717aacc154e851868c40e2596c3a572be /drivers/media/pci/ivtv | |
| parent | b5656e8b7363c4e248e6372dc34828d3dfb17832 (diff) | |
[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>
Diffstat (limited to 'drivers/media/pci/ivtv')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-ioctl.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 861e4629c7fc..50379b26768b 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -748,12 +748,15 @@ static int ivtv_g_register(struct file *file, void *fh, struct v4l2_dbg_register return 0; } -static int ivtv_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) +static int ivtv_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg) { struct ivtv *itv = fh2id(fh)->itv; - if (v4l2_chip_match_host(®->match)) - return ivtv_itvc(itv, false, reg->reg, ®->val); + if (v4l2_chip_match_host(®->match)) { + u64 val = reg->val; + + return ivtv_itvc(itv, false, reg->reg, &val); + } /* TODO: subdev errors should not be ignored, this should become a subdev helper function. */ ivtv_call_all(itv, core, s_register, reg); |