Clearing the BT_SK_SUSPEND socket flag from the L2CAP core is causing
a dependency on the socket. So intead of doing that, use a channel
callback into the socket handling to resume.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
include/net/bluetooth/l2cap.h | 1 +
net/bluetooth/l2cap_core.c | 6 +-----
net/bluetooth/l2cap_sock.c | 9 +++++++++
3 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 1a38ede..07757a2 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -554,6 +554,7 @@ struct l2cap_ops {
int state);
void (*ready) (struct l2cap_chan *chan);
void (*defer) (struct l2cap_chan *chan);
+ void (*resume) (struct l2cap_chan *chan);
struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
unsigned long len, int nb);
};
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e5819cb..0c3446d 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -6669,11 +6669,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
if (!status && (chan->state == BT_CONNECTED ||
chan->state == BT_CONFIG)) {
- struct sock *sk = chan->sk;
-
- clear_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags);
- sk->sk_state_change(sk);
-
+ chan->ops->resume(chan);
l2cap_check_encryption(chan, encrypt);
l2cap_chan_unlock(chan);
continue;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index f5d9573..fcf012a 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1112,6 +1112,14 @@ static void l2cap_sock_defer_cb(struct l2cap_chan *chan)
parent->sk_data_ready(parent, 0);
}
+static void l2cap_sock_resume_cb(struct l2cap_chan *chan)
+{
+ struct sock *sk = chan->data;
+
+ clear_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags);
+ sk->sk_state_change(sk);
+}
+
static struct l2cap_ops l2cap_chan_ops = {
.name = "L2CAP Socket Interface",
.new_connection = l2cap_sock_new_connection_cb,
@@ -1121,6 +1129,7 @@ static struct l2cap_ops l2cap_chan_ops = {
.state_change = l2cap_sock_state_change_cb,
.ready = l2cap_sock_ready_cb,
.defer = l2cap_sock_defer_cb,
+ .resume = l2cap_sock_resume_cb,
.alloc_skb = l2cap_sock_alloc_skb_cb,
};
--
1.8.3.1
--
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