From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This consolidates code around sk_alloc into bt_sock_alloc which does
take care of common initialization.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
include/net/bluetooth/bluetooth.h | 2 ++
net/bluetooth/af_bluetooth.c | 21 +++++++++++++++++++++
net/bluetooth/bnep/sock.c | 10 +---------
net/bluetooth/hci_sock.c | 10 ++--------
net/bluetooth/iso.c | 10 +---------
net/bluetooth/l2cap_sock.c | 10 +---------
net/bluetooth/rfcomm/sock.c | 13 +++----------
net/bluetooth/sco.c | 10 +---------
8 files changed, 32 insertions(+), 54 deletions(-)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 1b4230cd42a3..b518e5379045 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -400,6 +400,8 @@ int bt_sock_register(int proto, const struct net_proto_family *ops);
void bt_sock_unregister(int proto);
void bt_sock_link(struct bt_sock_list *l, struct sock *s);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
+struct sock *bt_sock_alloc(struct net *net, struct socket *sock,
+ struct proto *prot, int proto, gfp_t prio, int kern);
int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
int flags);
int bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 1c3c7ff5c3c6..6035422e13da 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -140,6 +140,27 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto,
return err;
}
+struct sock *bt_sock_alloc(struct net *net, struct socket *sock,
+ struct proto *prot, int proto, gfp_t prio, int kern)
+{
+ struct sock *sk;
+
+ sk = sk_alloc(net, PF_BLUETOOTH, prio, prot, kern);
+ if (!sk)
+ return NULL;
+
+ sock_init_data(sock, sk);
+ INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
+
+ sock_reset_flag(sk, SOCK_ZAPPED);
+
+ sk->sk_protocol = proto;
+ sk->sk_state = BT_OPEN;
+
+ return sk;
+}
+EXPORT_SYMBOL(bt_sock_alloc);
+
void bt_sock_link(struct bt_sock_list *l, struct sock *sk)
{
write_lock(&l->lock);
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 57d509d77cb4..00d47bcf4d7d 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -205,21 +205,13 @@ static int bnep_sock_create(struct net *net, struct socket *sock, int protocol,
if (sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
- sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, kern);
+ sk = bt_sock_alloc(net, sock, &bnep_proto, protocol, GFP_ATOMIC, kern);
if (!sk)
return -ENOMEM;
- sock_init_data(sock, sk);
-
sock->ops = &bnep_sock_ops;
-
sock->state = SS_UNCONNECTED;
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = protocol;
- sk->sk_state = BT_OPEN;
-
bt_sock_link(&bnep_sk_list, sk);
return 0;
}
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1d249d839819..9c45586f5818 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -2143,18 +2143,12 @@ static int hci_sock_create(struct net *net, struct socket *sock, int protocol,
sock->ops = &hci_sock_ops;
- sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto, kern);
+ sk = bt_sock_alloc(net, sock, &hci_sk_proto, protocol, GFP_ATOMIC,
+ kern);
if (!sk)
return -ENOMEM;
- sock_init_data(sock, sk);
-
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = protocol;
-
sock->state = SS_UNCONNECTED;
- sk->sk_state = BT_OPEN;
sk->sk_destruct = hci_sock_destruct;
bt_sock_link(&hci_sk_list, sk);
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 73ac9753728b..b9a008fd10b1 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -739,21 +739,13 @@ static struct sock *iso_sock_alloc(struct net *net, struct socket *sock,
{
struct sock *sk;
- sk = sk_alloc(net, PF_BLUETOOTH, prio, &iso_proto, kern);
+ sk = bt_sock_alloc(net, sock, &iso_proto, proto, prio, kern);
if (!sk)
return NULL;
- sock_init_data(sock, sk);
- INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
-
sk->sk_destruct = iso_sock_destruct;
sk->sk_sndtimeo = ISO_CONN_TIMEOUT;
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = proto;
- sk->sk_state = BT_OPEN;
-
/* Set address type as public as default src address is BDADDR_ANY */
iso_pi(sk)->src_type = BDADDR_LE_PUBLIC;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 947ca580bb9a..9ef936f27a6a 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1858,21 +1858,13 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
struct sock *sk;
struct l2cap_chan *chan;
- sk = sk_alloc(net, PF_BLUETOOTH, prio, &l2cap_proto, kern);
+ sk = bt_sock_alloc(net, sock, &l2cap_proto, proto, prio, kern);
if (!sk)
return NULL;
- sock_init_data(sock, sk);
- INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
-
sk->sk_destruct = l2cap_sock_destruct;
sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = proto;
- sk->sk_state = BT_OPEN;
-
chan = l2cap_chan_create();
if (!chan) {
sk_free(sk);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 4397e14ff560..b54e8a530f55 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -268,18 +268,16 @@ static struct proto rfcomm_proto = {
.obj_size = sizeof(struct rfcomm_pinfo)
};
-static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio, int kern)
+static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock,
+ int proto, gfp_t prio, int kern)
{
struct rfcomm_dlc *d;
struct sock *sk;
- sk = sk_alloc(net, PF_BLUETOOTH, prio, &rfcomm_proto, kern);
+ sk = bt_sock_alloc(net, sock, &rfcomm_proto, proto, prio, kern);
if (!sk)
return NULL;
- sock_init_data(sock, sk);
- INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
-
d = rfcomm_dlc_alloc(prio);
if (!d) {
sk_free(sk);
@@ -298,11 +296,6 @@ static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int
sk->sk_sndbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
sk->sk_rcvbuf = RFCOMM_MAX_CREDITS * RFCOMM_DEFAULT_MTU * 10;
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = proto;
- sk->sk_state = BT_OPEN;
-
bt_sock_link(&rfcomm_sk_list, sk);
BT_DBG("sk %p", sk);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index cd1a27ac555d..bbf7072f5e80 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -503,21 +503,13 @@ static struct sock *sco_sock_alloc(struct net *net, struct socket *sock,
{
struct sock *sk;
- sk = sk_alloc(net, PF_BLUETOOTH, prio, &sco_proto, kern);
+ sk = bt_sock_alloc(net, sock, &sco_proto, proto, prio, kern);
if (!sk)
return NULL;
- sock_init_data(sock, sk);
- INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
-
sk->sk_destruct = sco_sock_destruct;
sk->sk_sndtimeo = SCO_CONN_TIMEOUT;
- sock_reset_flag(sk, SOCK_ZAPPED);
-
- sk->sk_protocol = proto;
- sk->sk_state = BT_OPEN;
-
sco_pi(sk)->setting = BT_VOICE_CVSD_16BIT;
sco_pi(sk)->codec.id = BT_CODEC_CVSD;
sco_pi(sk)->codec.cid = 0xffff;
--
2.40.1
