6lowpan: revert: add missing spin_lock_init()

Revert the commit 768f7c7c121e80f458a9d013b2e8b169e5dfb1e5 to initialize
spinlock in the more preferable way and make it static to avoid sparse
warning.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index f4070e54d1a1098def2f0456fb4a58d0821d8917..b872515f213785a043f9eae48218813ba5137675 100644 (file)
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -123,7 +123,7 @@ struct lowpan_fragment {
 
 static unsigned short fragment_tag;
 static LIST_HEAD(lowpan_fragments);
-spinlock_t flist_lock;
+static DEFINE_SPINLOCK(flist_lock);
 
 static inline struct
 lowpan_dev_info *lowpan_dev_info(const struct net_device *dev)
@@ -1186,8 +1186,6 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
        list_add_tail(&entry->list, &lowpan_devices);
        mutex_unlock(&lowpan_dev_info(dev)->dev_list_mtx);
 
-       spin_lock_init(&flist_lock);
-
        register_netdevice(dev);
 
        return 0;