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Date:   Mon, 25 Oct 2021 10:20:45 +0200
From:   Steffen Klassert <steffen.klassert@secunet.com>
To:     luo penghao <cgel.zte@gmail.com>
CC:     SimonHorman <horms@kernel.org>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "luo penghao" <luo.penghao@zte.com.cn>,
        Zeal Robot <zealci@zte.com.cn>
Subject: Re: [PATCH linux-next] xfrm: Remove redundant fields and related
 parentheses
Message-ID: <20211025082045.GC36125@gauss3.secunet.de>
References: <20211022095911.1066475-1-luo.penghao@zte.com.cn>
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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@zte.com.cn>
> Signed-off-by: luo penghao <luo.penghao@zte.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!