From: Okash Khawaja <okash.khawaja@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>,
Samuel Thibault <samuel.thibault@ens-lyon.org>,
Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
Kirk Reiser <kirk@reisers.ca>,
speakup@linux-speakup.org, Chris Brannon <chris@the-brannons.com>
Subject: Re: [patch 2/3] staging: speakup: use tty_kopen instead of tty_open_by_driver
Date: Sun, 9 Jul 2017 13:28:30 +0100 [thread overview]
Message-ID: <20170709122830.GA10914@sanghar> (raw)
In-Reply-To: <20170709115055.GA14769@kroah.com>
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@gmail.com>
> >
> > ---
> > 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
next prev parent reply other threads:[~2017-07-09 12:28 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-07 20:28 tty contention resulting from tty_open_by_device export Okash Khawaja
2017-07-08 8:38 ` Greg Kroah-Hartman
2017-07-08 9:01 ` Okash Khawaja
2017-07-09 11:41 ` [patch 0/3] " Okash Khawaja
2017-07-09 11:41 ` [patch 1/3] tty: resolve tty contention between kernel and user space Okash Khawaja
2017-07-09 11:51 ` Greg Kroah-Hartman
2017-07-09 15:04 ` Andy Shevchenko
2017-07-09 19:08 ` Okash Khawaja
2017-07-10 8:31 ` Okash Khawaja
2017-07-10 15:21 ` Andy Shevchenko
2017-07-10 16:12 ` Okash Khawaja
2017-07-09 11:41 ` [patch 2/3] staging: speakup: use tty_kopen instead of tty_open_by_driver Okash Khawaja
2017-07-09 11:50 ` Greg Kroah-Hartman
2017-07-09 12:28 ` Okash Khawaja [this message]
2017-07-09 11:41 ` [patch 3/3] tty: undo export " Okash Khawaja
2017-07-09 11:57 ` [patch 0/3] Re: tty contention resulting from tty_open_by_device export Greg Kroah-Hartman
2017-07-09 12:32 ` [patch 4/3] tty: make tty_kopen return ENODEV in case of no TTY Okash Khawaja
2017-07-10 11:52 ` [patch 0/3] Re: tty contention resulting from tty_open_by_device export Alan Cox
2017-07-10 12:33 ` Okash Khawaja
2017-07-10 16:22 ` Okash Khawaja
2017-07-12 18:20 ` Alan Cox
2017-07-13 11:29 ` Okash Khawaja
2017-07-17 12:31 ` Greg Kroah-Hartman
2017-07-17 13:23 ` Okash Khawaja
2017-07-17 22:04 ` Alan Cox
2017-07-18 11:29 ` Okash Khawaja
2017-07-18 12:26 ` Dan Carpenter
2017-07-18 19:22 ` Okash Khawaja
2017-07-18 13:49 ` Alan Cox
2017-07-20 7:22 ` [patch v3 0/3] tty contention resulting from tty_open_by_driver export Okash Khawaja
2017-07-20 7:22 ` [patch v3 1/3] tty: resolve tty contention between kernel and user space Okash Khawaja
2017-07-20 7:22 ` [patch v3 2/3] staging: speakup: use tty_kopen and tty_kclose Okash Khawaja
2017-07-20 7:22 ` [patch v3 3/3] tty: undo export of tty_open_by_driver Okash Khawaja
2017-07-17 21:04 ` [patch v2 0/3] tty contention resulting from tty_open_by_driver export Okash Khawaja
2017-07-17 21:04 ` [patch v2 1/3] tty: resolve tty contention between kernel and user space Okash Khawaja
2017-07-17 21:04 ` [patch v2 2/3] staging: speakup: use tty_kopen instead of tty_open_by_driver Okash Khawaja
2017-07-17 21:04 ` [patch v2 3/3] tty: undo export " Okash Khawaja
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