linux-kernel - Re: [PATCH 6/6] MIPS: ath79: simplify platform_get_resource_byname/devm_ioremap

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Message-ID: <52164F54.2070209@openwrt.org>
Date:	Thu, 22 Aug 2013 19:50:12 +0200
From:	Gabor Juhos <juhosg@...nwrt.org>
To:	Julia Lawall <Julia.Lawall@...6.fr>
CC:	Ralf Baechle <ralf@...ux-mips.org>,
	kernel-janitors@...r.kernel.org, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] MIPS: ath79: simplify platform_get_resource_byname/devm_ioremap_resource

2013.08.19. 10:51 keltezéssel, Julia Lawall írta:
> From: Julia Lawall <Julia.Lawall@...6.fr>
> 
> Remove unneeded error handling on the result of a call to
> platform_get_resource_byname when the value is passed to devm_ioremap_resource.
> 
> A simplified version of the semantic patch that makes this change is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> expression pdev,res,e,e1;
> expression ret != 0;
> identifier l;
> @@
> 
>   res = platform_get_resource_byname(...);
> - if (res == NULL) { ... \(goto l;\|return ret;\) }
>   e = devm_ioremap_resource(e1, res);
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Acked-by: Gabor Juhos <juhosg@...nwrt.org>

Thanks!

-Gabor
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