From: Richard Stearn <richard@rns-stearn.demon.co.uk>
Date: Mon, 13 Jul 2015 09:38:24 +0000 (+0200)
Subject: NET: AX.25: Stop heartbeat timer on disconnect.
X-Git-Tag: v4.9.8~3868^2~42
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da278622bf04f8ddb14519a2b8214e108ef26101;p=platform%2Fkernel%2Flinux-rpi3.git

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

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@rns-stearn.demon.co.uk>
Cc: stable@vger.kernel.org	# all branches
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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);