From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Ricardo Ribalda <ribalda@chromium.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] media: uvcvideo: Avoid returning invalid controls
Date: Wed, 1 Dec 2021 04:39:20 +0200 [thread overview]
Message-ID: <YabgWHPxxtFfkDqh@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20211130155026.1082594-2-ribalda@chromium.org>
Hi Ricardo,
Thank you for the patch.
On Tue, Nov 30, 2021 at 03:50:26PM +0000, Ricardo Ribalda wrote:
> If the memory where ctrl_found is places has the value of uvc_ctrl and
s/places/placed/
s/uvc_ctrl/uvc_control/
> __uvc_find_control does not find the control we will return and invalid
s/and invalid/an invalid/
> index.
The change of this happening is small, but it exists.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Fixes: 6350d6a4ed487 ("media: uvcvideo: Set error_idx during ctrl_commit errors")
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> drivers/media/usb/uvc/uvc_ctrl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
> index f7b7add3cfa59..f1f6bb14fb0a6 100644
> --- a/drivers/media/usb/uvc/uvc_ctrl.c
> +++ b/drivers/media/usb/uvc/uvc_ctrl.c
> @@ -1639,7 +1639,7 @@ static int uvc_ctrl_find_ctrl_idx(struct uvc_entity *entity,
> struct uvc_control *uvc_control)
> {
> struct uvc_control_mapping *mapping = NULL;
> - struct uvc_control *ctrl_found;
> + struct uvc_control *ctrl_found = NULL;
> unsigned int i;
>
> if (!entity)
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2021-12-01 2:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-30 15:50 [PATCH 1/2] media: uvcvideo: Avoid invalid memory access Ricardo Ribalda
2021-11-30 15:50 ` [PATCH 2/2] media: uvcvideo: Avoid returning invalid controls Ricardo Ribalda
2021-12-01 2:39 ` Laurent Pinchart [this message]
2021-12-01 2:36 ` [PATCH 1/2] media: uvcvideo: Avoid invalid memory access Laurent Pinchart
2021-12-01 5:41 ` Ricardo Ribalda
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YabgWHPxxtFfkDqh@pendragon.ideasonboard.com \
--to=laurent.pinchart@ideasonboard.com \
--cc=hverkuil-cisco@xs4all.nl \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.org \
--cc=ribalda@chromium.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®