From 7bb1bbe615de25d955b974cb47d40fa198154bb9 Mon Sep 17 00:00:00 2001
From: "G. Liakhovetski" <gl@dsa-ac.de>
Date: Fri, 16 Mar 2007 20:30:03 -0700
Subject: [PATCH] [IrDA]: irttp_dup spin_lock initialisation

Without this initialization one gets

kernel BUG at kernel/rtmutex_common.h:80!

This patch should also be included in the -stable kernel.

Signed-off-by: G. Liakhovetski <gl@dsa-ac.de>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/irda/irttp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index a7486b3bdd..da3f2bc1b6 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -1455,6 +1455,7 @@ struct tsap_cb *irttp_dup(struct tsap_cb *orig, void *instance)
 
 	/* Not everything should be copied */
 	new->notify.instance = instance;
+	spin_lock_init(&new->lock);
 	init_timer(&new->todo_timer);
 
 	skb_queue_head_init(&new->rx_queue);
-- 
2.39.5