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Date:   Fri, 29 Oct 2021 08:20:11 +0200
From:   Steffen Klassert <>
To:     luo penghao <>
CC:     Herbert Xu <>,
        "David S . Miller" <>,
        Jakub Kicinski <>, <>,
        luo penghao <>,
        Zeal Robot <>
Subject: Re: [PATCH ipsec-next v2] xfrm: Remove redundant fields and related

On Thu, Oct 28, 2021 at 02:36:39AM +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'.
> Changes in v2:
> Modify the title, because v2 removes the brackets.
> Remove extra parentheses.
> Reported-by: Zeal Robot <>
> Signed-off-by: luo penghao <>

Applied, thanks a lot!

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