linux-kernel - Re: [PATCH]: Propagate error code from devpts_pty

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Message-ID: <20080417153748.GB14215@sergelap.austin.ibm.com>
Date:	Thu, 17 Apr 2008 10:37:49 -0500
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	sukadev@...ibm.com
Cc:	Andrew Morton <akpm@...l.org>, serue@...ibm.com,
	"Eric W. Biederman" <ebiederm@...ssion.com>, hpa@...or.com,
	Containers <containers@...ts.osdl.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH]: Propagate error code from devpts_pty_new

Quoting sukadev@...ibm.com (sukadev@...ibm.com):
> From: Sukadev Bhattiprolu <sukadev@...ibm.com>
> Subject: [PATCH]: Propagate error code from devpts_pty_new
> 
> Have ptmx_open() propagate any error code returned by devpts_pty_new()
> (which returns either 0 or -ENOMEM anyway).
> 
> Signed-off-by: Sukadev Bhattiprolu <sukadev@...ibm.com>

Seems nice and non-contentuous.

Acked-by: Serge Hallyn <serue@...ibm.com>

thanks,
-serge

> ---
>  drivers/char/tty_io.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> Index: 2.6.25-rc8-mm2/drivers/char/tty_io.c
> ===================================================================
> --- 2.6.25-rc8-mm2.orig/drivers/char/tty_io.c	2008-04-16 09:38:23.000000000 -0700
> +++ 2.6.25-rc8-mm2/drivers/char/tty_io.c	2008-04-16 09:51:11.000000000 -0700
> @@ -2835,8 +2835,8 @@ static int ptmx_open(struct inode *inode
>  	filp->private_data = tty;
>  	file_move(filp, &tty->tty_files);
> 
> -	retval = -ENOMEM;
> -	if (devpts_pty_new(tty->link))
> +	retval = devpts_pty_new(tty->link);
> +	if (retval)
>  		goto out1;
> 
>  	check_tty_count(tty, "tty_open");
--
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