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

From: Ralf Baechle <[email-masked]>
Date: Mon, 13 Jul 2015 11:35:07 +0200

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 <[email-masked]>
Cc: [email-masked]	# all branches
Signed-off-by: Ralf Baechle <[email-masked]>
---
 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);