From 50a30657fd7ee77a94a6bf0ad86eba7c37c3032e Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 25 Nov 2008 17:21:01 -0800
Subject: netns xfrm: per-netns km_waitq

Disallow spurious wakeups in __xfrm_lookup().

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/netns/xfrm.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/net/netns/xfrm.h')

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 80555351fe5e..2a383c8ba1af 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -2,6 +2,7 @@
 #define __NETNS_XFRM_H
 
 #include <linux/list.h>
+#include <linux/wait.h>
 #include <linux/workqueue.h>
 
 struct netns_xfrm {
@@ -22,6 +23,8 @@ struct netns_xfrm {
 	struct work_struct	state_hash_work;
 	struct hlist_head	state_gc_list;
 	struct work_struct	state_gc_work;
+
+	wait_queue_head_t	km_waitq;
 };
 
 #endif
-- 
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