From 5ce37140e0bc0d186a0b88e5984178d47007708f Mon Sep 17 00:00:00 2001
From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Date: Thu, 10 Sep 2009 18:02:30 +0400
Subject: [PATCH] --- yaml --- r: 162914 b: refs/heads/master c:
 c4835d81efb1795eb8bbeb40b73d74e5c04b1257 h: refs/heads/master v: v3

---
 [refs]                         | 2 +-
 trunk/net/ieee802154/netlink.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 0c84e3598c7b..5dbcdcf1d245 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 066fc51275cef94d1624fd58bb3065d050a6f17e
+refs/heads/master: c4835d81efb1795eb8bbeb40b73d74e5c04b1257
diff --git a/trunk/net/ieee802154/netlink.c b/trunk/net/ieee802154/netlink.c
index 2106ecbf0308..ca767bde17a4 100644
--- a/trunk/net/ieee802154/netlink.c
+++ b/trunk/net/ieee802154/netlink.c
@@ -35,6 +35,7 @@
 #include <net/ieee802154_netdev.h>
 
 static unsigned int ieee802154_seq_num;
+static DEFINE_SPINLOCK(ieee802154_seq_lock);
 
 static struct genl_family ieee802154_coordinator_family = {
 	.id		= GENL_ID_GENERATE,
@@ -57,12 +58,15 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
 {
 	void *hdr;
 	struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+	unsigned long f;
 
 	if (!msg)
 		return NULL;
 
+	spin_lock_irqsave(&ieee802154_seq_lock, f);
 	hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
 			&ieee802154_coordinator_family, flags, req);
+	spin_unlock_irqrestore(&ieee802154_seq_lock, f);
 	if (!hdr) {
 		nlmsg_free(msg);
 		return NULL;