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authorGustavo F. Padovan <padovan@profusion.mobi>2011-04-08 15:40:02 -0300
committerGustavo F. Padovan <padovan@profusion.mobi>2011-04-27 18:51:34 -0300
commit5d41ce1dd91bce01d50aff79786dc5d5eedcfab7 (patch)
tree36905721ffdbbc24e13e6d302c9d956b9143da75 /net/bluetooth
parent828d7d7b19446bf5a40928da47955c575a454c75 (diff)
downloadlinux-5d41ce1dd91bce01d50aff79786dc5d5eedcfab7.tar.bz2
Bluetooth: Refactor L2CAP channel allocation
If the allocation happens at l2cap_sock_create() will be able to use the struct l2cap_chan to store channel info that comes from the user via setsockopt. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/l2cap_core.c23
-rw-r--r--net/bluetooth/l2cap_sock.c11
2 files changed, 17 insertions, 17 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 9e8dc136ef16..4b857adc5361 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -149,7 +149,7 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
return 0;
}
-static struct l2cap_chan *l2cap_chan_alloc(struct sock *sk)
+struct l2cap_chan *l2cap_chan_alloc(struct sock *sk)
{
struct l2cap_chan *chan;
@@ -648,6 +648,8 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
goto clean;
}
+ l2cap_pi(sk)->chan = chan;
+
write_lock_bh(&conn->chan_lock);
hci_conn_hold(conn->hcon);
@@ -661,8 +663,6 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
__l2cap_chan_add(conn, chan);
- l2cap_pi(sk)->chan = chan;
-
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
sk->sk_state = BT_CONNECTED;
@@ -847,12 +847,12 @@ static struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
return node ? sk : sk1;
}
-int l2cap_do_connect(struct sock *sk)
+int l2cap_do_connect(struct l2cap_chan *chan)
{
+ struct sock *sk = chan->sk;
bdaddr_t *src = &bt_sk(sk)->src;
bdaddr_t *dst = &bt_sk(sk)->dst;
struct l2cap_conn *conn;
- struct l2cap_chan *chan;
struct hci_conn *hcon;
struct hci_dev *hdev;
__u8 auth_type;
@@ -888,20 +888,11 @@ int l2cap_do_connect(struct sock *sk)
goto done;
}
- chan = l2cap_chan_alloc(sk);
- if (!chan) {
- hci_conn_put(hcon);
- err = -ENOMEM;
- goto done;
- }
-
/* Update source addr of the socket */
bacpy(src, conn->src);
l2cap_chan_add(conn, chan);
- l2cap_pi(sk)->chan = chan;
-
sk->sk_state = BT_CONNECT;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
@@ -2076,6 +2067,8 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
goto response;
}
+ l2cap_pi(sk)->chan = chan;
+
write_lock_bh(&conn->chan_lock);
/* Check if we already have channel with that dcid */
@@ -2098,8 +2091,6 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
__l2cap_chan_add(conn, chan);
- l2cap_pi(sk)->chan = chan;
-
dcid = l2cap_pi(sk)->scid;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 473e5973d8fe..e3724572c448 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -229,7 +229,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
l2cap_pi(sk)->psm = la.l2_psm;
l2cap_pi(sk)->dcid = la.l2_cid;
- err = l2cap_do_connect(sk);
+ err = l2cap_do_connect(l2cap_pi(sk)->chan);
if (err)
goto done;
@@ -1054,6 +1054,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
+ struct l2cap_chan *chan;
BT_DBG("sock %p", sock);
@@ -1072,6 +1073,14 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
if (!sk)
return -ENOMEM;
+ chan = l2cap_chan_alloc(sk);
+ if (!chan) {
+ l2cap_sock_kill(sk);
+ return -ENOMEM;
+ }
+
+ l2cap_pi(sk)->chan = chan;
+
l2cap_sock_init(sk, NULL);
return 0;
}