On Fri January 11 2013 14:13:58 Laurent Pinchart wrote:
> Commit ba68c8530a263dc4de440fa10bb20a1c5b9d4ff5 (Partly revert "[media]
> uvcvideo: Set error_idx properly for extended controls API failures")
> also reverted commit 30ecb936cbcd83e3735625ac63e1b4466546f5fe
> ("uvcvideo: Return -EACCES when trying to access a read/write-only
> control") by mistake. Fix it.
>
> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
> drivers/media/usb/uvc/uvc_ctrl.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c
> b/drivers/media/usb/uvc/uvc_ctrl.c
> index 2bb7613..d5baab1 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -1431,8 +1431,10 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
> int ret;
>
> ctrl = uvc_find_control(chain, xctrl->id, &mapping);
> - if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0)
> + if (ctrl == NULL)
> return -EINVAL;
> + if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR))
> + return -EACCES;
>
> /* Clamp out of range values. */
> switch (mapping->v4l2_type) {
>
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