This supersedes https://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg150027.html based on feedback from Laurent: https://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg150117.html and Sakari: https://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg150129.html This v6 only moves some code from patch 1 to patch 3, the final code is the same as for v5. I plan to make a PR for this very soon together with the vivid metadata patches that need this. Regards, Hans Changes in v6: Patch 1/3 dropped the check against GRABBER for the g_parm ioctl, but that is too early: this should be done in patch 3/3 where this code no longer applies to touch devices (which was the reason for the GRABBER test). Changes in v5: I now check if a GRABBER device is a video or metadata device (or both!) by checking device_caps. Hans Verkuil (2): v4l2-dev: simplify the SDR checks v4l2-dev: fix is_tch checks Vandana BN (1): v4l2-core: correctly validate video and metadata ioctls drivers/media/v4l2-core/v4l2-dev.c | 104 ++++++++++++++++----------- drivers/media/v4l2-core/v4l2-ioctl.c | 16 ++++- 2 files changed, 75 insertions(+), 45 deletions(-) -- 2.23.0
