All of lore.kernel.org
 help / color / mirror / Atom feed
From: Arnd Bergmann <arnd@arndb.de>
To: Hans Verkuil <hverkuil@xs4all.nl>,
	Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Linux Media Mailing List <linux-media@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	y2038 Mailman List <y2038@lists.linaro.org>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
	Tiffany Lin <tiffany.lin@mediatek.com>,
	Daniel Mentz <danielmentz@google.com>,
	"# 3.4.x" <stable@vger.kernel.org>
Subject: Re: [PATCH v3 3/8] media: v4l2-core: ignore native command codes
Date: Wed, 6 Nov 2019 21:18:58 +0100	[thread overview]
Message-ID: <CAK8P3a1t9kWcSVDyb-a3CWXgukLGVV9orRj58LbsGgCM3Z01JQ@mail.gmail.com> (raw)
In-Reply-To: <20191106194715.2238044-4-arnd@arndb.de>

On Wed, Nov 6, 2019 at 8:47 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> The do_video_ioctl() compat handler converts the compat command
> codes into the native ones before processing further, but this
> causes problems for 32-bit user applications that pass a command
> code that matches a 64-bit native number, which will then be
> handled the same way.

I noticed that a change to the subject line made this one less
obvious, I've changed it to "media: v4l2-core: compat: ignore native
command codes" in my tree now.

       Arnd

  reply	other threads:[~2019-11-06 20:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-06 19:47 [PATCH v3 0/8] RFC/RFT: y2038 safety in v4l2 Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 1/8] media: documentation: fix video_event description Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 2/8] media: v4l2: abstract timeval handling in v4l2_buffer Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 3/8] media: v4l2-core: ignore native command codes Arnd Bergmann
2019-11-06 20:18   ` Arnd Bergmann [this message]
2019-11-06 19:47 ` [PATCH v3 4/8] media: v4l2-core: split out data copy from video_usercopy Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 5/8] media: v4l2-core: fix VIDIOC_DQEVENT for time64 ABI Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 6/8] media: v4l2-core: fix v4l2_buffer handling " Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 7/8] media: v4l2-core: fix compat VIDIOC_DQEVENT " Arnd Bergmann
2019-11-06 19:47 ` [PATCH v3 8/8] media: v4l2-core: fix compat v4l2_buffer handling " Arnd Bergmann

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=CAK8P3a1t9kWcSVDyb-a3CWXgukLGVV9orRj58LbsGgCM3Z01JQ@mail.gmail.com \
    --to=arnd@arndb.de \
    --cc=boris.brezillon@collabora.com \
    --cc=danielmentz@google.com \
    --cc=hverkuil@xs4all.nl \
    --cc=laurent.pinchart+renesas@ideasonboard.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=mchehab@kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=tiffany.lin@mediatek.com \
    --cc=y2038@lists.linaro.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.