| Date | Wed, 14 Aug 2013 20:18:17 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH 19/29] watchdog: ts72xx_wdt: simplify use of devm_ioremap_resource |
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On 08/14/2013 02:11 AM, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@lip6.fr> > > Remove unneeded error handling on the result of a call to > platform_get_resource 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,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@lip6.fr> > Reviewed-by: Guenter Roeck <linux@roeck-us.net>
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