linux-kernel - Re: [PATCH] ata: acard-ahci: removeset but not used variable 'n

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Message-ID: <68c9f17f-5e48-9c81-7933-ed0ffc4963e4@cogentembedded.com>
Date:   Fri, 13 Dec 2019 12:03:12 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Hongbo Yao <yaohongbo@...wei.com>, axboe@...nel.dk
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com
Subject: Re: [PATCH] ata: acard-ahci: removeset but not used variable 'n_elem'

On 13.12.2019 6:11, Hongbo Yao wrote:

    Space missing in the subject...

> Fixes gcc '-Wunused-but-set-variable' warning:
> 
> drivers/ata/acard-ahci.c: In function acard_ahci_qc_prep:
> drivers/ata/acard-ahci.c:268:15: warning: variable n_elem set but not
> used [-Wunused-but-set-variable]
> 
> It is never used so can be removed. acard_ahci_fill_sg() is called only
> in one place, use 'void' instead of 'int'.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Hongbo Yao <yaohongbo@...wei.com>
[...]

MBR, Sergei