[PATCH 7/9] gpiolib-sysfs: Add gpio name parsing for sysfs export

Johan Hovold johan at kernel.org
Fri Jul 31 01:44:56 PDT 2015


On Wed, Jul 29, 2015 at 08:57:36AM +0200, Markus Pargmann wrote:
> On Tue, Jul 28, 2015 at 11:50:04AM +0200, Johan Hovold wrote:
> > On Fri, Jul 17, 2015 at 11:32:48AM +0200, Markus Pargmann wrote:

> > > +		char *gpio_name = kstrdup(buf, GFP_KERNEL);
> > 
> > Must check for allocation failures, but why use kstrdup at all?
> 
> Yes have to check that.
> strim() may modify the buf variable which is constant.
>
> > > +
> > > +		desc = gpio_name_to_desc(strim(gpio_name));

Ah, I missed that strim.

Johan



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