Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

1 files changed, 26 insertions, 6 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a8964db04bfb..9f8b29ef5b68 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -416,13 +416,30 @@ struct l2cap_chan *l2cap_chan_create(void)
 	return chan;
 }
 
-void l2cap_chan_destroy(struct l2cap_chan *chan)
+static void l2cap_chan_destroy(struct l2cap_chan *chan)
 {
+	BT_DBG("chan %p", chan);
+
 	write_lock(&chan_list_lock);
 	list_del(&chan->global_l);
 	write_unlock(&chan_list_lock);
 
-	l2cap_chan_put(chan);
+	kfree(chan);
+}
+
+void l2cap_chan_hold(struct l2cap_chan *c)
+{
+	BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
+
+	atomic_inc(&c->refcnt);
+}
+
+void l2cap_chan_put(struct l2cap_chan *c)
+{
+	BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
+
+	if (atomic_dec_and_test(&c->refcnt))
+		l2cap_chan_destroy(c);
 }
 
 void l2cap_chan_set_defaults(struct l2cap_chan *chan)
@@ -5329,7 +5346,7 @@ int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr)
 	return exact ? lm1 : lm2;
 }
 
-int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
+void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
 {
 	struct l2cap_conn *conn;
 
@@ -5342,7 +5359,6 @@ int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
 	} else
 		l2cap_conn_del(hcon, bt_to_errno(status));
 
-	return 0;
 }
 
 int l2cap_disconn_ind(struct hci_conn *hcon)
@@ -5356,12 +5372,11 @@ int l2cap_disconn_ind(struct hci_conn *hcon)
 	return conn->disc_reason;
 }
 
-int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
+void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
 {
 	BT_DBG("hcon %p reason %d", hcon, reason);
 
 	l2cap_conn_del(hcon, bt_to_errno(reason));
-	return 0;
 }
 
 static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
@@ -5404,6 +5419,11 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 		BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid,
 		       state_to_string(chan->state));
 
+		if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP) {
+			l2cap_chan_unlock(chan);
+			continue;
+		}
+
 		if (chan->scid == L2CAP_CID_LE_DATA) {
 			if (!status && encrypt) {
 				chan->sec_level = hcon->sec_level;