diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 1441a73ce64c..f6d663934648 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -88,7 +88,7 @@ const char *v4l2_norm_to_name(v4l2_std_id id) int i; /* HACK: ppc32 architecture doesn't have __ucmpdi2 function to handle - 64 bit comparations. So, on that architecture, with some gcc + 64 bit comparisons. So, on that architecture, with some gcc variants, compilation fails. Currently, the max value is 30bit wide. */ BUG_ON(myid != id); @@ -287,6 +287,7 @@ static void v4l_print_format(const void *arg, bool write_only) const struct v4l2_window *win; const struct v4l2_sdr_format *sdr; const struct v4l2_meta_format *meta; + u32 planes; unsigned i; pr_cont("type=%s", prt_names(p->type, v4l2_type_names)); @@ -317,7 +318,8 @@ static void v4l_print_format(const void *arg, bool write_only) prt_names(mp->field, v4l2_field_names), mp->colorspace, mp->num_planes, mp->flags, mp->ycbcr_enc, mp->quantization, mp->xfer_func); - for (i = 0; i < mp->num_planes; i++) + planes = min_t(u32, mp->num_planes, VIDEO_MAX_PLANES); + for (i = 0; i < planes; i++) printk(KERN_DEBUG "plane %u: bytesperline=%u sizeimage=%u\n", i, mp->plane_fmt[i].bytesperline, mp->plane_fmt[i].sizeimage); @@ -1015,6 +1017,12 @@ static void v4l_sanitize_format(struct v4l2_format *fmt) { unsigned int offset; + /* Make sure num_planes is not bogus */ + if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || + fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + fmt->fmt.pix_mp.num_planes = min_t(u32, fmt->fmt.pix_mp.num_planes, + VIDEO_MAX_PLANES); + /* * The v4l2_pix_format structure has been extended with fields that were * not previously required to be set to zero by applications. The priv @@ -1212,6 +1220,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_YUV555: descr = "16-bit A/XYUV 1-5-5-5"; break; case V4L2_PIX_FMT_YUV565: descr = "16-bit YUV 5-6-5"; break; case V4L2_PIX_FMT_YUV32: descr = "32-bit A/XYUV 8-8-8-8"; break; + case V4L2_PIX_FMT_AYUV32: descr = "32-bit AYUV 8-8-8-8"; break; + case V4L2_PIX_FMT_XYUV32: descr = "32-bit XYUV 8-8-8-8"; break; + case V4L2_PIX_FMT_VUYA32: descr = "32-bit VUYA 8-8-8-8"; break; + case V4L2_PIX_FMT_VUYX32: descr = "32-bit VUYX 8-8-8-8"; break; case V4L2_PIX_FMT_YUV410: descr = "Planar YUV 4:1:0"; break; case V4L2_PIX_FMT_YUV420: descr = "Planar YUV 4:2:0"; break; case V4L2_PIX_FMT_HI240: descr = "8-bit Dithered RGB (BTTV)"; break; @@ -1552,7 +1564,8 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_s_fmt_vid_cap_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OVERLAY: if (unlikely(!ops->vidioc_s_fmt_vid_overlay)) @@ -1582,7 +1595,8 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_s_fmt_vid_out_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: if (unlikely(!ops->vidioc_s_fmt_vid_out_overlay)) @@ -1649,7 +1663,8 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_try_fmt_vid_cap_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OVERLAY: if (unlikely(!ops->vidioc_try_fmt_vid_overlay)) @@ -1679,7 +1694,8 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, break; CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func); for (i = 0; i < p->fmt.pix_mp.num_planes; i++) - CLEAR_AFTER_FIELD(p, fmt.pix_mp.plane_fmt[i].bytesperline); + CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i], + bytesperline); return ops->vidioc_try_fmt_vid_out_mplane(file, fh, arg); case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY: if (unlikely(!ops->vidioc_try_fmt_vid_out_overlay)) |