linux-kernel - Re: [PATCH] drivers/gpio: Check return value to silence warning

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]

Message-ID: <CAAVeFuJN3AWzAfoE+-3o-7b07wK0u-PDwBQx+4HwFesurE6cyQ@mail.gmail.com>
Date:	Thu, 7 Aug 2014 13:45:48 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	Nick Krause <xerofoiify@...il.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drivers/gpio: Check return value to silence warning

On Thu, Aug 7, 2014 at 1:40 PM, Nick Krause <xerofoiify@...il.com> wrote:
> Check for return value to fix the following error
>
> drivers/gpio/gpio-sch311x.c: In function 'sch311x_gpio_probe':
> drivers/gpio/gpio-sch311x.c:286:18: warning: ignoring return value of
> 'gpiochip_remove', declared with attribute warn_unused_result [-Wunused-result]
>
> in the context we do not need to check but checking makes compiler happy.
> With help from kernelnewbies.

This patch is not needed: the warn_unused_result has been removed for
3.17, and gpiochip_remove will be changed to return void soon anyway.
--
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/