linux-kernel - Re: [PATCH net-next] net: pxa168_eth: remove unused variable 'retval' int pxa168_eth_change

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Message-Id: <20200914.134349.2168616259804526399.davem@davemloft.net>
Date:   Mon, 14 Sep 2020 13:43:49 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zhangchangzhong@...wei.com
Cc:     kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: pxa168_eth: remove unused variable
 'retval' int pxa168_eth_change_mtu()

From: Zhang Changzhong <zhangchangzhong@...wei.com>
Date: Mon, 14 Sep 2020 21:19:12 +0800

> Fixes the following W=1 kernel build warning(s):
> 
> drivers/net/ethernet/marvell/pxa168_eth.c:1190:6: warning:
>  variable 'retval' set but not used [-Wunused-but-set-variable]
>  1190 |  int retval;
>       |      ^~~~~~
> 
> Function pxa168_eth_change_mtu() always return zero, so variable 'retval'
> is redundant, just remove it.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>

Applied.