linux-kernel - Re: [PATCH linux-next] net/core: Remove unused assignment operations and variable

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Message-ID: <20211021104412.GA26665@kernel.org>
Date:   Thu, 21 Oct 2021 12:44:17 +0200
From:   Simon Horman <horms@...nel.org>
To:     luo penghao <cgel.zte@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        luo penghao <luo.penghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH linux-next] net/core: Remove unused assignment operations
 and variable

On Thu, Oct 21, 2021 at 06:40:20AM +0000, luo penghao wrote:

I think the bracketed part of the subject of your emails should be:

[PATCH v2 net-next]

* IIRC this is v2 of the patch
* The patch is targeted at the net-next tree

> Although if_info_size is assigned, it has not been used. And the variable
> should also be deleted.
> 
> The clang_analyzer complains as follows:
> 
> net/core/rtnetlink.c:3806: warning:
> 
> Although the value stored to 'if_info_size' is used in the enclosing
> expression, the value is never actually read from 'if_info_size'.
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: luo penghao <luo.penghao@....com.cn>

The above not withstanding, this patch looks correct to me.

Reviewed-by: Simon Horman <horms@...nel.org>