linux-kernel - Re: [PATCH net-next] net: ethernet: mlx4: Avoid assigning a value to ring_cons but not used it anymore in mlx4_en

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Date:   Sat, 12 Sep 2020 18:22:19 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     luojiaxing@...wei.com
Cc:     kuba@...nel.org, idos@...lanox.com, ogerlitz@...lanox.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com
Subject: Re: [PATCH net-next] net: ethernet: mlx4: Avoid assigning a value
 to ring_cons but not used it anymore in mlx4_en_xmit()

From: Luo Jiaxing <luojiaxing@...wei.com>
Date: Sat, 12 Sep 2020 16:08:15 +0800

> We found a set but not used variable 'ring_cons' in mlx4_en_xmit(), it will
> cause a warning when build the kernel. And after checking the commit record
> of this function, we found that it was introduced by a previous patch.
> 
> So, We delete this redundant assignment code.
> 
> Fixes: 488a9b48e398 ("net/mlx4_en: Wake TX queues only when there's enough room")
> 
> Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com>

Looks good, applied, thanks.