Bluetooth: fix sparse & gcc warnings

sparse complains about a few things that should
be static.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

net/bluetooth/l2cap_core.c

@@ -62,8 +62,8 @@ static u8 l2cap_fixed_chan[8] = { 0x02, };
 
 static struct workqueue_struct *_busy_wq;
 
-LIST_HEAD(chan_list);
-DEFINE_RWLOCK(chan_list_lock);
+static LIST_HEAD(chan_list);
+static DEFINE_RWLOCK(chan_list_lock);
 
 static void l2cap_busy_work(struct work_struct *work);
 
@@ -500,7 +500,7 @@ static inline int l2cap_check_security(struct l2cap_chan *chan)
 	return hci_conn_security(conn->hcon, chan->sec_level, auth_type);
 }
 
-u8 l2cap_get_ident(struct l2cap_conn *conn)
+static u8 l2cap_get_ident(struct l2cap_conn *conn)
 {
 	u8 id;
 

net/bluetooth/mgmt.c

@@ -41,7 +41,7 @@ struct pending_cmd {
 	void *user_data;
 };
 
-LIST_HEAD(cmd_list);
+static LIST_HEAD(cmd_list);
 
 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
 {