Re: [PATCH 42/42] drivers/media/video/bt8xx: Adjust confusing if indentation

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On Thursday 05 August 2010 22:51:12 Luca Tettamanti wrote:
> > diff --git a/drivers/media/video/bt8xx/bttv-i2c.c b/drivers/media/video/bt8xx/bttv-i2c.c
> > index 685d659..695765c 100644
> > --- a/drivers/media/video/bt8xx/bttv-i2c.c
> > +++ b/drivers/media/video/bt8xx/bttv-i2c.c
> > @@ -123,7 +123,7 @@ bttv_i2c_wait_done(struct bttv *btv)
> >        if (wait_event_interruptible_timeout(btv->i2c_queue,
> >                btv->i2c_done, msecs_to_jiffies(85)) == -ERESTARTSYS)
> >
> > -       rc = -EIO;
> > +               rc = -EIO;
> 
> I'd also remove the empty line before the indented statement, it's confusing...
> 

The entire function looks a bit weird to me. If you look at the caller,
you'll notice that -EIO is treated in the same way as if the function had
returned zero, so the entire if() clause is pointless (the wait_event_*
probably is not).

Moreover, returning -ERESTARTSYS is probably the right action here,
why else would you make the wait interruptible?

	Arnd
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