linux-kernel - Re: [PATCH net-next] net: thunderx: remove set but not used variable 'tail'

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Message-Id: <20200323.215422.456286022120023020.davem@davemloft.net>
Date:   Mon, 23 Mar 2020 21:54:22 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zhengzengkai@...wei.com
Cc:     sgoutham@...vell.com, rrichter@...vell.com, ast@...nel.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH net-next] net: thunderx: remove set but not used
 variable 'tail'

From: Zheng Zengkai <zhengzengkai@...wei.com>
Date: Mon, 23 Mar 2020 14:51:16 +0800

> From: Zheng zengkai <zhengzengkai@...wei.com>
> 
> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/net/ethernet/cavium/thunder/nicvf_queues.c: In function nicvf_sq_free_used_descs:
> drivers/net/ethernet/cavium/thunder/nicvf_queues.c:1182:12: warning:
>  variable tail set but not used [-Wunused-but-set-variable]
> 
> It's not used since commit 4863dea3fab01("net: Adding support for Cavium ThunderX network controller"),
> so remove it.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Zheng zengkai <zhengzengkai@...wei.com>

Applied, thank you.