linux-kernel - Re: [PATCH v3 5/7] memory: mtk-smi: Fix the return value for clk_bulk_prepare

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <7370f18b-e273-69f2-1cc9-a42495e04874@canonical.com>
Date:   Mon, 17 Jan 2022 13:01:40 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Yong Wu <yong.wu@...iatek.com>, Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Joerg Roedel <joro@...tes.org>, Tomasz Figa <tfiga@...omium.org>,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, youlin.pei@...iatek.com,
        anan.sun@...iatek.com, lc.kan@...iatek.com, yi.kuo@...iatek.com,
        anthony.huang@...iatek.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: Re: [PATCH v3 5/7] memory: mtk-smi: Fix the return value for
 clk_bulk_prepare_enable

On 13/01/2022 12:10, Yong Wu wrote:
> Function clk_bulk_prepare_enable() returns 0 for success or a negative
> number for error. Fix this code style issue.

The message does not really make sense. If negative is returned, then
the check (ret < 0) was correct.

I guess you wanted to say that common code style is to check for any
non-zero return value, just like it's implementation in clk.h does.

I'll adjust the commit msg when applying.

> 
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/memory/mtk-smi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
> index b883dcc0bbfa..e7b1a22b12ea 100644
> --- a/drivers/memory/mtk-smi.c
> +++ b/drivers/memory/mtk-smi.c
> @@ -480,7 +480,7 @@ static int __maybe_unused mtk_smi_larb_resume(struct device *dev)
>  	int ret;
>  
>  	ret = clk_bulk_prepare_enable(larb->smi.clk_num, larb->smi.clks);
> -	if (ret < 0)
> +	if (ret)
>  		return ret;
>  
>  	/* Configure the basic setting for this larb */
> 


Best regards,
Krzysztof