Bluetooth: Remove l2cap_sk_list

A new list was added to replace the socket based one. This new list
doesn't depent on sock and then fits better inside l2cap_core.c code.

It also rename l2cap_chan_alloc() to l2cap_chan_create() and
l2cap_chan_free() to l2cap_chan_destroy)
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

include/net/bluetooth/l2cap.h

@@ -350,6 +350,7 @@ struct l2cap_chan {
 	struct list_head	srej_l;
 
 	struct list_head list;
+	struct list_head global_l;
 };
 
 struct l2cap_conn {
@@ -441,7 +442,6 @@ static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
 #define __is_sar_start(ctrl)	(((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
 
 extern int disable_ertm;
-extern struct bt_sock_list l2cap_sk_list;
 
 int l2cap_init_sockets(void);
 void l2cap_cleanup_sockets(void);
@@ -469,9 +469,9 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent);
 struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
 							int proto, gfp_t prio);
 void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err);
-struct l2cap_chan *l2cap_chan_alloc(struct sock *sk);
+struct l2cap_chan *l2cap_chan_create(struct sock *sk);
 void l2cap_chan_del(struct l2cap_chan *chan, int err);
-void l2cap_chan_free(struct l2cap_chan *chan);
+void l2cap_chan_destroy(struct l2cap_chan *chan);
 int l2cap_chan_connect(struct l2cap_chan *chan);
 
 #endif /* __L2CAP_H */

net/bluetooth/l2cap_sock.c

@@ -808,8 +808,7 @@ void l2cap_sock_kill(struct sock *sk)
 
 	/* Kill poor orphan */
 
-	l2cap_chan_free(l2cap_pi(sk)->chan);
-	bt_sock_unlink(&l2cap_sk_list, sk);
+	l2cap_chan_destroy(l2cap_pi(sk)->chan);
 	sock_set_flag(sk, SOCK_DEAD);
 	sock_put(sk);
 }
@@ -1025,7 +1024,6 @@ struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, g
 
 	setup_timer(&sk->sk_timer, l2cap_sock_timeout, (unsigned long) sk);
 
-	bt_sock_link(&l2cap_sk_list, sk);
 	return sk;
 }
 
@@ -1052,7 +1050,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
 	if (!sk)
 		return -ENOMEM;
 
-	chan = l2cap_chan_alloc(sk);
+	chan = l2cap_chan_create(sk);
 	if (!chan) {
 		l2cap_sock_kill(sk);
 		return -ENOMEM;