linux-kernel - Re: [PATCH] remove untouched code in kfifo

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>] [day] [month] [year] [list]

Message-ID: <alpine.LNX.2.00.1210171434360.17129@pobox.suse.cz>
Date:	Wed, 17 Oct 2012 14:37:15 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Wei Yang <weiyang@...ux.vnet.ibm.com>
Cc:	Stefani Seibold <stefani@...bold.net>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remove untouched code in kfifo_in

On Wed, 17 Oct 2012, Wei Yang wrote:

> In kfifo_in marco, one piece of code is arounded by if(0).
> 
> This patch just remove this code.
> ---
>  include/linux/kfifo.h |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
> index 10308c6..e7015bb 100644
> --- a/include/linux/kfifo.h
> +++ b/include/linux/kfifo.h
> @@ -512,10 +512,6 @@ __kfifo_uint_must_check_helper( \
>  	unsigned long __n = (n); \
>  	const size_t __recsize = sizeof(*__tmp->rectype); \
>  	struct __kfifo *__kfifo = &__tmp->kfifo; \
> -	if (0) { \
> -		typeof(__tmp->ptr_const) __dummy __attribute__ ((unused)); \
> -		__dummy = (typeof(__buf))NULL; \
> -	} \
>  	(__recsize) ?\
>  	__kfifo_in_r(__kfifo, __buf, __n, __recsize) : \
>  	__kfifo_in(__kfifo, __buf, __n); \

Frankly, I'd first like to understand what was the rationale for adding it 
at the first place. Adding Stefani and lkml to CC.

-- 
Jiri Kosina
SUSE Labs
--
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/