linux-kernel - [PATCH 8/8] hso serial throttled tty kref fix.

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Message-ID: <20090115133129.21366.5313.stgit@localhost.localdomain>
Date:	Thu, 15 Jan 2009 13:31:34 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 8/8] hso serial throttled tty kref fix.

From: Denis Joseph Barrow <D.Barow@...ion.com>

This patch is for Alan Cox as it related to the tty layer.
Hopefully the hso driver is again relatively stable with this fix.

Signed-off-by: Denis Joseph Barrow <D.Barow@...ion.com>
Signed-off-by: Alan Cox <alan@...hat.com>
---

 drivers/net/usb/hso.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)


diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index e25a58f..6478bf6 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2053,8 +2053,10 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial)
 			serial->curr_rx_urb_offset;
 		D1("data to push to tty");
 		while (write_length_remaining) {
-			if (test_bit(TTY_THROTTLED, &tty->flags))
+			if (test_bit(TTY_THROTTLED, &tty->flags)) {
+				tty_kref_put(tty);
 				return -1;
+			}
 			curr_write_len =  tty_insert_flip_string
 				(tty, urb->transfer_buffer +
 				 serial->curr_rx_urb_offset,

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