linux-kernel - Re: [RFC PATCH] v4l: saa7134: fix multiple clients access (and oops)

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

Message-ID: <20080608110103.GA5856@joi>
Date:	Sun, 8 Jun 2008 13:01:06 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
Cc:	video4linux-list@...hat.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] v4l: saa7134: fix multiple clients access (and
	oops)

On Sun, Jun 08, 2008 at 07:32:55AM -0300, Mauro Carvalho Chehab wrote:
> On Sun, 8 Jun 2008 08:31:07 +0200
> Marcin Slusarz <marcin.slusarz@...il.com> wrote:
> 
> > On Sun, Jun 08, 2008 at 12:48:35AM +0200, Marcin Slusarz wrote:
> > > (...)
> > 
> > This patch is stupid. Please ignore.
> 
> Patch ignored. Yet, it seemed ok to my eyes. We shouldn't stop/deallocate
> resources if there is still someone using the module.

But when there's at least one user, dev->empress_users will be bigger than 0,
so second call to ts_open will return -EBUSY.
And it lead to conclusion, that there's only one possible user...

Marcin
--
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/