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Date:	Thu,  2 Dec 2010 13:08:20 -0800
From:	Greg Kroah-Hartman <>
Cc:	Jiri Slaby <>, Alan Cox <>,
	Andrew Hendry <>,, Greg Kroah-Hartman <>
Subject: [PATCH 3/6] NET: wan/x25, fix ldisc->open retval

From: Jiri Slaby <>

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 <>
Cc: Alan Cox <>
Cc: Andrew Hendry <>
Tested-by: Sergey Lapin <>
Signed-off-by: Greg Kroah-Hartman <>
 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;

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