Re: [patch 2/3] staging: speakup: use tty_kopen instead of tty_open_by_driver

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On Sun, Jul 09, 2017 at 01:50:55PM +0200, Greg Kroah-Hartman wrote:
> On Sun, Jul 09, 2017 at 12:41:55PM +0100, Okash Khawaja wrote:
> > This patch replaces call to tty_open_by_driver with a tty_kopen.
> > 
> > Signed-off-by: Okash Khawaja <okash.khawaja@xxxxxxxxx>
> > 
> > ---
> >  drivers/staging/speakup/spk_ttyio.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > --- a/drivers/staging/speakup/spk_ttyio.c
> > +++ b/drivers/staging/speakup/spk_ttyio.c
> > @@ -164,7 +164,7 @@ static int spk_ttyio_initialise_ldisc(st
> >  	if (ret)
> >  		return ret;
> >  
> > -	tty = tty_open_by_driver(dev, NULL, NULL);
> > +	tty = tty_kopen(dev);
> >  	if (IS_ERR(tty))
> 
> Hm, the "no tty layer" return value for this will be NULL.  I doubt
> that's really a big deal, but perhaps just have that return
> PTR_ERR(-ENODEV) or something?
Good point, thanks. Will send a follow up patch

Okash
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