linux-kernel - Re: [PATCH 3/6] i2c: Ignore return value of i2c_del

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: <20130331131254.GA17773@S2101-09.ap.freescale.net>
Date:	Sun, 31 Mar 2013 21:12:56 +0800
From:	Shawn Guo <shawn.guo@...aro.org>
To:	Lars-Peter Clausen <lars@...afoo.de>
CC:	Wolfram Sang <wsa@...-dreams.de>, Ben Dooks <ben-linux@...ff.org>,
	<linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Jean Delvare <khali@...ux-fr.org>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Cox <alan@...ux.intel.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Lars Poeschel <poeschel@...onage.de>
Subject: Re: [PATCH 3/6] i2c: Ignore return value of i2c_del_adapter()

On Sat, Mar 09, 2013 at 07:16:46PM +0100, Lars-Peter Clausen wrote:
> i2c_del_adapter() always returns 0. So all checks testing whether it will be
> non zero will always evaluate to false and the conditional code is dead code.
> This patch updates all callers of i2c_del_mux_adapter() to ignore the return
> value and assume that it will always succeed (which it will). In a subsequent
> patch the return type of i2c_del_adapter() will be made void.
> 
...
> Cc: Shawn Guo <shawn.guo@...aro.org>
...
>  drivers/i2c/busses/i2c-mxs.c                 |  5 +----

Acked-by: Shawn Guo <shawn.guo@...aro.org>

--
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/