netdev - [PATCH] NET: AX.25: Stop heartbeat timer on disconnect.

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Message-ID: <20150713093506.GB21180@linux-mips.org>
Date:	Mon, 13 Jul 2015 11:35:07 +0200
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Richard Stearn <richard@...-stearn.demon.co.uk>,
	f6bvp <f6bvp@...e.fr>, Thomas Osterried <thomas@...erried.de>,
	linux-hams@...r.kernel.org, stable@...r.kernel.org
Subject: [PATCH] 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@...-stearn.demon.co.uk>
Cc: stable@...r.kernel.org	# all branches
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
---
 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);
--
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