linux-kernel - Re: [PATCH linux-next] xfrm: Remove redundant fields and related parentheses

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: <20211025082045.GC36125@gauss3.secunet.de>
Date:   Mon, 25 Oct 2021 10:20:45 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     luo penghao <cgel.zte@...il.com>
CC:     SimonHorman <horms@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "luo penghao" <luo.penghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH linux-next] xfrm: Remove redundant fields and related
 parentheses

On Fri, Oct 22, 2021 at 09:59:11AM +0000, luo penghao wrote:
> The variable err is not necessary in such places. It should be revmoved
> for the simplicity of the code. This will cause the double parentheses
> to be redundant, and the inner parentheses should be deleted.
> 
> The clang_analyzer complains as follows:
> 
> net/xfrm/xfrm_input.c:533: warning:
> net/xfrm/xfrm_input.c:563: warning:
> 
> Although the value stored to 'err' is used in the enclosing expression,
> the value is never actually read from 'err'.
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: luo penghao <luo.penghao@....com.cn>

Is this an update to your previous patch?
If so, please mark it as such with a 'v2'
and describe what changed.

Thanks!