From: Samuel Ortiz <samuel@sortiz.org>
Date: Sat, 17 Mar 2007 02:04:27 +0000 (+0200)
Subject: IrDA: irttp_dup spin_lock initialisation
X-Git-Tag: v2.6.20.4~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c3f05964e7b82a9965fd4934ba470cf533172ed;p=thirdparty%2Fkernel%2Fstable.git

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>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 03504f3e4990c..470310783aea9 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);