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

From: Greg KH
Date: Thu May 19 2011 - 14:19:32 EST


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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