linux-kernel - Re: [17/29] drivers/rtc: simplify use of devm_ioremap

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Message-ID: <20150606233502.GC3563@piout.net>
Date:	Sun, 7 Jun 2015 01:35:02 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	kernel-janitors@...r.kernel.org, rtc-linux@...glegroups.com,
	linux-kernel@...r.kernel.org
Subject: Re: [17/29] drivers/rtc: simplify use of devm_ioremap_resource

On 14/08/2013 at 11:11:21 +0200, Julia Lawall wrote :
> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Remove unneeded error handling on the result of a call to
> platform_get_resource when the value is passed to devm_ioremap_resource.
> 
> Move the call to platform_get_resource adjacent to the call to
> devm_ioremap_resource to make the connection between them more clear.
> 
> A simplified version of the semantic patch that makes this change is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> expression pdev,res,n,e,e1;
> expression ret != 0;
> identifier l;
> @@
> 
> - res = platform_get_resource(pdev, IORESOURCE_MEM, n);
>   ... when != res
> - if (res == NULL) { ... \(goto l;\|return ret;\) }
>   ... when != res
> + res = platform_get_resource(pdev, IORESOURCE_MEM, n);
>   e = devm_ioremap_resource(e1, res);
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Rebased and applied, thanks.


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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