Re: [patch 2/2] input/tps6507x-ts: zero vs NULL

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On Mon, May 31, 2010 at 12:10:29PM -0700, Dmitry Torokhov wrote:
> On Mon, May 31, 2010 at 02:02:15PM +0200, Dan Carpenter wrote:
> > --- a/drivers/input/touchscreen/tps6507x-ts.c
> > +++ b/drivers/input/touchscreen/tps6507x-ts.c
> > @@ -342,7 +342,7 @@ err2:
> >  	cancel_delayed_work(&tsc->work);
> >  	flush_workqueue(tsc->wq);
> >  	destroy_workqueue(tsc->wq);
> > -	tsc->wq = 0;
> > +	tsc->wq = NULL;
> >  	input_free_device(input_dev);
> >  err1:
> >  	kfree(tsc);
> > @@ -364,7 +364,7 @@ static int __devexit tps6507x_ts_remove(struct platform_device *pdev)
> >  	cancel_delayed_work(&tsc->work);
> >  	flush_workqueue(tsc->wq);
> 
> Why isn't it cancel_delayed_work_sync()?
> 

Good point.

> >  	destroy_workqueue(tsc->wq);
> > -	tsc->wq = 0;
> > +	tsc->wq = NULL;
> >  
> 
> Setting tsc to 0/NULL does not make much sense as it is being freed a
> couple of lines below.
> 

That's true.  I'll send an updated patch tomorrow.

regards,
dan carpenter
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