[alsa-devel] [PATCH] ASoC: Ensure we generate a driver name

[Mark Brown]

On Wed, Sep 21, 2011 at 01:09:30PM +0800, Scott Jiang wrote:
> 2011/9/20 Mark Brown <broonie at opensource.wolfsonmicro.com>:

> > +       for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {
> > +               switch (card->snd_card->driver[i]) {
> > +               case '_':
> > +               case '-':
> > +               case '\0':
> > +                       break;
> > +               default:
> > +                       if (!isalnum(card->snd_card->driver[i]))
> > +                               card->snd_card->driver[i] = '_';
> > +                       break;
> > +               }
> > +       }

> If '\0', we should break out of loop?

It's really not worth the code complexity, we only run this once during
probe and the array is fixed size and small.