[33/71] NET: slip, fix ldisc->open retval

[Greg KH]

2.6.38-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Matvejchikov Ilya <matvejchikov@xxxxxxxxx>

commit 057bef938896e6266ae24ec4266d24792d27c29a upstream.

TTY layer expects 0 if the ldisc->open operation succeeded.

Signed-off-by : Matvejchikov Ilya <matvejchikov@xxxxxxxxx>
Acked-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/net/slip.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -853,7 +853,9 @@ static int slip_open(struct tty_struct *
 	/* Done.  We have linked the TTY line to a channel. */
 	rtnl_unlock();
 	tty->receive_room = 65536;	/* We don't flow control */
-	return sl->dev->base_addr;
+
+	/* TTY layer expects 0 on success */
+	return 0;
 
 err_free_bufs:
 	sl_free_bufs(sl);


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