linux-kernel - Re: [PATCH resubmit] /drivers/ata ioremap returncode check

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Date:	Wed, 22 Aug 2007 22:34:58 -0700
From:	Brandon Philips <brandon@...p.org>
To:	postfail@...hmail.com
Cc:	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH resubmit] /drivers/ata ioremap returncode check

On 19:47 Wed 22 Aug 2007, Scott Thompson wrote:
> Patchset against 2.6.23-rc3.  corrects missing ioremap return 
> checks, resending after making changes suggested....
> 
> Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
> ------------------------------------------------------------
> diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
> index 4ca7fd6..8dc7c3b 100644
> --- a/drivers/ata/pata_ixp4xx_cf.c
> +++ b/drivers/ata/pata_ixp4xx_cf.c
> @@ -189,6 +189,10 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
>  	data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000);
>  	data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000);
>  
> +	if (!data->cs0 || !data->cs1) {
> +		return -ENOMEM;
> +	}
> +

You aren't following the Kernel CodingStyle there.  

See Documentation/CodingStyle:

"Do not unnecessarily use braces where a single statement will do."

+	if (!data->cs0 || !data->cs1)
+		return -ENOMEM;

Thanks,

	Brandon
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