Re: [PATCH 0/3] v4l2-compat-ioctl32.c: better detect pointer controls

From: Mauro Carvalho Chehab
Date: Thu Aug 10 2017 - 19:52:21 EST


Em Thu, 10 Aug 2017 20:45:10 -0300
Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx> escreveu:

> In the past, only string controls were pointers. That changed when compounded
> types got added, but the compat32 code was not updated.
>
> We could just add those controls there, but maintaining it is flaw, as we
> often forget about the compat code. So, instead, rely on the control type,
> as this is always updated when new controls are added.
>
> As both v4l2-ctrl and compat32 code are at videodev.ko module, we can
> move the ctrl_is_pointer() helper function to v4l2-ctrl.c.
>
> Mauro Carvalho Chehab (3):
> media: v4l2-ctrls.h: better document the arguments for v4l2_ctrl_fill
> media: v4l2-ctrls: prepare the function to be used by compat32 code
> media: compat32: reimplement ctrl_is_pointer()
>
> drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 18 +---------
> drivers/media/v4l2-core/v4l2-ctrls.c | 49 +++++++++++++++++++++++++--
> include/media/v4l2-ctrls.h | 28 ++++++++++-----
> 3 files changed, 67 insertions(+), 28 deletions(-)
>

Sorry, sent this series to the wrong mailing list. Will resend
to the right one.


Thanks,
Mauro