[PATCH 3.19.y-ckt 013/130] NET: AX.25: Stop heartbeat timer on disconnect.

[Kamal Mostafa]

3.19.8-ckt6 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Richard Stearn <richard@xxxxxxxxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 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

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