linux-kernel - [RFC][PATCH 1/7]: Propagate error code from devpts_pty

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Date:	Tue, 8 Apr 2008 14:58:18 -0700
From:	sukadev@...ibm.com
To:	linux-kernel@...r.kernel.org
Cc:	Containers <containers@...ts.osdl.org>, clg@...ibm.com,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: [RFC][PATCH 1/7]: Propagate error code from devpts_pty_new


From: Sukadev Bhattiprolu <sukadev@...ibm.com>
Subject: [RFC][PATCH 1/7]: 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>
---
 drivers/char/tty_io.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: 2.6.25-rc8-mm1/drivers/char/tty_io.c
===================================================================
--- 2.6.25-rc8-mm1.orig/drivers/char/tty_io.c	2008-04-07 14:49:56.000000000 -0700
+++ 2.6.25-rc8-mm1/drivers/char/tty_io.c	2008-04-08 09:12:55.000000000 -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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