linux-kernel - Re: [PATCH] macintosh: Explicitly set llseek to no

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: <20091021212137.GB4880@nowhere>
Date:	Wed, 21 Oct 2009 23:21:38 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	John Kacur <jkacur@...hat.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Jonathan Corbet <corbet@....net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc-dev@...abs.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arnd Bergmann <arndbergmann@...glemail.com>
Subject: Re: [PATCH] macintosh: Explicitly set llseek to no_llseek in
	ans-lcd

On Wed, Oct 21, 2009 at 11:07:18PM +0200, John Kacur wrote:
> From 0c2b412cdccf73bdeb19bb866bfe556942eaeca2 Mon Sep 17 00:00:00 2001
> From: John Kacur <jkacur@...hat.com>
> Date: Wed, 21 Oct 2009 23:01:12 +0200
> Subject: [PATCH] macintosh: Explicitly set llseek to no_llseek in ans-lcd
> 
> Now that we've removed the BKL here, let's explicitly set lleek to no_llseek
> 
> Signed-off-by: John Kacur <jkacur@...hat.com>
> ---
>  drivers/macintosh/ans-lcd.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c
> index 4ae8ec9..a1a1bde 100644
> --- a/drivers/macintosh/ans-lcd.c
> +++ b/drivers/macintosh/ans-lcd.c
> @@ -137,6 +137,7 @@ const struct file_operations anslcd_fops = {
>  	.write		= anslcd_write,
>  	.unlocked_ioctl	= anslcd_ioctl,
>  	.open		= anslcd_open,
> +	.llseedk	= no_llseek,


llseedk? :)


Should we better pushdown default_llseek to every to every
file operations that don't implement llseek?
I don't know how many of them don't implement llseek() though.

That said we can't continue anymore with this default attribution
of default_llseek() on new fops.

--
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/