From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
This helps to separate socket and socketless code. Now socket related
operations moved to l2cap_sock in unlink callback for channels with sk.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Reported-by: Mat Martineau <mathewm@xxxxxxxxxxxxxx>
---
include/net/bluetooth/l2cap.h | 1 +
net/bluetooth/l2cap_core.c | 20 ++------------------
net/bluetooth/l2cap_sock.c | 25 +++++++++++++++++++++++++
3 files changed, 28 insertions(+), 18 deletions(-)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 69ef077..7ed13e7 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -532,6 +532,7 @@ struct l2cap_ops {
void (*state_change) (void *data, int state);
struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
unsigned long len, int nb);
+ void (*unlink) (struct l2cap_chan *chan, int err);
};
struct l2cap_conn {
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index c64da38..d2b16b5 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -520,9 +520,7 @@ void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
static void l2cap_chan_del(struct l2cap_chan *chan, int err)
{
- struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
- struct sock *parent;
__clear_chan_timer(chan);
@@ -541,22 +539,8 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP)
goto clean;
- lock_sock(sk);
-
- __l2cap_state_change(chan, BT_CLOSED);
- sock_set_flag(sk, SOCK_ZAPPED);
-
- if (err)
- __l2cap_chan_set_err(chan, err);
-
- parent = bt_sk(sk)->parent;
- if (parent) {
- bt_accept_unlink(sk);
- parent->sk_data_ready(parent, 0);
- } else
- sk->sk_state_change(sk);
-
- release_sock(sk);
+ if (chan->ops->unlink)
+ chan->ops->unlink(chan, err);
if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
return;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 3bb1611..d6f481b 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -955,6 +955,30 @@ static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
return skb;
}
+static void l2cap_sock_unlink_cb(struct l2cap_chan *chan, int err)
+{
+ struct sock *sk = chan->sk;
+ struct sock *parent = bt_sk(sk)->parent;
+
+ lock_sock(sk);
+
+ chan->state = BT_CLOSED;
+ sk->sk_state = BT_CLOSED;
+ sock_set_flag(sk, SOCK_ZAPPED);
+
+ if (err)
+ sk->sk_err = err;
+
+ parent = bt_sk(sk)->parent;
+ if (parent) {
+ bt_accept_unlink(sk);
+ parent->sk_data_ready(parent, 0);
+ } else
+ sk->sk_state_change(sk);
+
+ release_sock(sk);
+}
+
static struct l2cap_ops l2cap_chan_ops = {
.name = "L2CAP Socket Interface",
.new_connection = l2cap_sock_new_connection_cb,
@@ -962,6 +986,7 @@ static struct l2cap_ops l2cap_chan_ops = {
.close = l2cap_sock_close_cb,
.state_change = l2cap_sock_state_change_cb,
.alloc_skb = l2cap_sock_alloc_skb_cb,
+ .unlink = l2cap_sock_unlink_cb,
};
static void l2cap_sock_destruct(struct sock *sk)
--
1.7.9.5
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