diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 260288ca4f55..f48c505550e0 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1273,6 +1273,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_VC1_ANNEX_L: descr = "VC-1 (SMPTE 412M Annex L)"; break; case V4L2_PIX_FMT_VP8: descr = "VP8"; break; case V4L2_PIX_FMT_VP9: descr = "VP9"; break; + case V4L2_PIX_FMT_HEVC: descr = "HEVC"; break; /* aka H.265 */ case V4L2_PIX_FMT_CPIA1: descr = "GSPCA CPiA YUV"; break; case V4L2_PIX_FMT_WNVA: descr = "WNVA"; break; case V4L2_PIX_FMT_SN9C10X: descr = "GSPCA SN9C10X"; break; @@ -2611,7 +2612,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, INFO_FL_CLEAR(v4l2_enum_dv_timings, pad)), IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, INFO_FL_ALWAYS_COPY), - IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), + IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, pad)), IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chip_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), IOCTL_INFO_FNC(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext_ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), @@ -2832,14 +2833,15 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, size_t array_size = 0; void __user *user_ptr = NULL; void **kernel_ptr = NULL; + const size_t ioc_size = _IOC_SIZE(cmd); /* Copy arguments into temp kernel buffer */ if (_IOC_DIR(cmd) != _IOC_NONE) { - if (_IOC_SIZE(cmd) <= sizeof(sbuf)) { + if (ioc_size <= sizeof(sbuf)) { parg = sbuf; } else { /* too big to allocate from stack */ - mbuf = kvmalloc(_IOC_SIZE(cmd), GFP_KERNEL); + mbuf = kvmalloc(ioc_size, GFP_KERNEL); if (NULL == mbuf) return -ENOMEM; parg = mbuf; @@ -2847,7 +2849,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, err = -EFAULT; if (_IOC_DIR(cmd) & _IOC_WRITE) { - unsigned int n = _IOC_SIZE(cmd); + unsigned int n = ioc_size; /* * In some cases, only a few fields are used as input, @@ -2868,11 +2870,11 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, goto out; /* zero out anything we don't copy from userspace */ - if (n < _IOC_SIZE(cmd)) - memset((u8 *)parg + n, 0, _IOC_SIZE(cmd) - n); + if (n < ioc_size) + memset((u8 *)parg + n, 0, ioc_size - n); } else { /* read-only ioctl */ - memset(parg, 0, _IOC_SIZE(cmd)); + memset(parg, 0, ioc_size); } } @@ -2930,7 +2932,7 @@ out_array_args: switch (_IOC_DIR(cmd)) { case _IOC_READ: case (_IOC_WRITE | _IOC_READ): - if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd))) + if (copy_to_user((void __user *)arg, parg, ioc_size)) err = -EFAULT; break; } |