Re: [PATCH] gpiolib: allow exported GPIO nodes to be named using sysfs links

From: David Brownell
Date: Tue Jun 30 2009 - 21:43:55 EST


On Monday 22 June 2009, Andrew Morton wrote:
> On Thu, 11 Jun 2009 12:19:03 +0300
> Jani Nikula <ext-jani.1.nikula@xxxxxxxxx> wrote:
>
> > +int gpio_export_link(struct device *dev, const char *name, unsigned gpio)
> > +{
> > + struct gpio_desc *desc;
> > + int status = -EINVAL;
> > +
> > + BUG_ON(dev == NULL);
> > + BUG_ON(name == NULL);
>
> We usually don't bother with these assertions. If the kernel will
> reliably oops if one of these is NULL, then that provides the same
> information anyway.

Yeah, it'd be better to remove those BUG_ON() things before this goes upstream...

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