From: Sergey Lapin <slapin@ossfans.org>
To: Jiri Slaby <jslaby@suse.cz>
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org,
jirislaby@gmail.com, Alan Cox <alan@linux.intel.com>,
Andrew Hendry <andrew.hendry@gmail.com>,
linux-x25@vger.kernel.org
Subject: Re: [PATCH 2/2] NET: wan/x25, fix ldisc->open retval
Date: Thu, 25 Nov 2010 18:13:34 -0500 [thread overview]
Message-ID: <20101125231334.GB13807@build.ihdev.net> (raw)
In-Reply-To: <1290641275-21726-2-git-send-email-jslaby@suse.cz>
On Thu, Nov 25, 2010 at 12:27:55AM +0100, Jiri Slaby wrote:
> We should never return positive values from ldisc->open, tty layer
> doesn't (and never did) expect that.
>
> If we do that, weird things like warnings in tty_ldisc_close happen.
>
> Not sure if dev->base_addr is used somehow now.
>
> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
> Cc: Alan Cox <alan@linux.intel.com>
> Cc: Andrew Hendry <andrew.hendry@gmail.com>
> Cc: linux-x25@vger.kernel.org
Tested-by: Sergey Lapin <slapin@ossfans.org>
> ---
> drivers/net/wan/x25_asy.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c
> index d81ad83..66cda25 100644
> --- a/drivers/net/wan/x25_asy.c
> +++ b/drivers/net/wan/x25_asy.c
> @@ -582,7 +582,7 @@ static int x25_asy_open_tty(struct tty_struct *tty)
> if (err)
> return err;
> /* Done. We have linked the TTY line to a channel. */
> - return sl->dev->base_addr;
> + return 0;
> }
>
>
> --
> 1.7.3.1
>
next prev parent reply other threads:[~2010-11-25 23:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-24 13:52 ldisc problems with 2.6.32-2.6.37-rc2 (at least) Sergey Lapin
2010-11-24 14:33 ` Jiri Slaby
2010-11-24 17:03 ` Sergey Lapin
2010-11-24 19:43 ` Jiri Slaby
2010-11-24 19:45 ` Jiri Slaby
2010-11-24 21:53 ` Sergey Lapin
2010-11-24 22:02 ` Jiri Slaby
2010-11-24 22:26 ` Sergey Lapin
2010-11-24 22:41 ` Jiri Slaby
2010-11-24 23:27 ` [PATCH 1/2] TTY: ldisc, fix open flag handling Jiri Slaby
2010-11-29 21:50 ` Greg KH
2010-11-29 22:41 ` Jiri Slaby
2010-11-29 22:47 ` Greg KH
2010-11-24 23:27 ` [PATCH 2/2] NET: wan/x25, fix ldisc->open retval Jiri Slaby
2010-11-25 23:13 ` Sergey Lapin [this message]
2010-11-24 22:03 ` ldisc problems with 2.6.32-2.6.37-rc2 (at least) Sergey Lapin
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