linux-kernel - Re: [PATCH] vb2: Allow STREAMOFF for io emulator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 08 Oct 2013 12:00:27 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Cc:	Pawel Osciak <pawel@...iak.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-media <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vb2: Allow STREAMOFF for io emulator

Hi Racardo,

On 2013-10-08 09:58, Ricardo Ribalda Delgado wrote:
> Hi Marek
>
> Thanks for your comments. I was just trying to find a way to stop
> streaming while in read/write mode without having to close the
> descriptor. I thought reusing streamoff was more clever than creating
> a new ioctl.

Read()/write() mode is mainly designed for old and legacy applications. 
Those applications assume that the only reliable way to stop streaming 
is to close the fd. New tools should use libv4l and ioctl-based api.

Best regards
-- 
Marek Szyprowski
Samsung R&D Institute Poland

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/