[3.19.y-ckt stable] Patch "NET: AX.25: Stop heartbeat timer on disconnect." has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    NET: AX.25: Stop heartbeat timer on disconnect.

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt6.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 7fcd344e4b963eb126431b93bf52caada643be90 Mon Sep 17 00:00:00 2001
From: Richard Stearn <richard at rns-stearn.demon.co.uk>
Date: Mon, 13 Jul 2015 11:38:24 +0200
Subject: NET: AX.25: Stop heartbeat timer on disconnect.

commit da278622bf04f8ddb14519a2b8214e108ef26101 upstream.

This may result in a kernel panic.  The bug has always existed but
somehow we've run out of luck now and it bites.

Signed-off-by: Richard Stearn <richard at rns-stearn.demon.co.uk>
Signed-off-by: Ralf Baechle <ralf at linux-mips.org>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 net/ax25/ax25_subr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index 1997538..3b78e84 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason)
 {
 	ax25_clear_queues(ax25);

+	ax25_stop_heartbeat(ax25);
 	ax25_stop_t1timer(ax25);
 	ax25_stop_t2timer(ax25);
 	ax25_stop_t3timer(ax25);
--
1.9.1