Re: [PATCH] Fix VIDIOC_TRY_EXT_CTRLS regression

[Mauro Carvalho Chehab <mchehab@redhat.com>]

Em 18-07-2012 10:34, Hans Verkuil escreveu:
> Hi all,
> 
> This patch fixes an omission in the new v4l2_ioctls table: VIDIOC_TRY_EXT_CTRLS
> must get the INFO_FL_CTRL flag, just like all the other control related ioctls.
> 
> Otherwise the ioctl core won't know it also has to check whether v4l2_fh->ctrl_handler
> is non-zero before it can decide that this ioctl is not implemented.
> 
> Caught by v4l2-compliance while I was testing the mem2mem_testdev driver.

Missing SOB. It seems Steven asked for this fix. Did he test? If so, it would be
nice to get his tested-by:.

Regards,
Mauro
> 
> Regards,
> 
> 	Hans
> 
> diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
> index 70e0efb..17dff31 100644
> --- a/drivers/media/video/v4l2-ioctl.c
> +++ b/drivers/media/video/v4l2-ioctl.c
> @@ -1900,7 +1900,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
>   	IOCTL_INFO_FNC(VIDIOC_LOG_STATUS, v4l_log_status, v4l_print_newline, 0),
>   	IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL),
>   	IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL),
> -	IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, 0),
> +	IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL),
>   	IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)),
>   	IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)),
>   	IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0),
> --
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