From: G. Liakhovetski <gl@dsa-ac.de>
Date: Sat, 17 Mar 2007 03:30:03 +0000 (-0700)
Subject: [IrDA]: irttp_dup spin_lock initialisation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7bb1bbe615de25d955b974cb47d40fa198154bb9;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.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>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index a7486b3bddcb..da3f2bc1b6f6 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);