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Diffstat (limited to 'net/bluetooth/l2cap_core.c')
-rw-r--r--net/bluetooth/l2cap_core.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 38c00f142203..a91239dcda41 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -406,7 +406,7 @@ struct l2cap_chan *l2cap_chan_create(void)
chan->state = BT_OPEN;
- atomic_set(&chan->refcnt, 1);
+ kref_init(&chan->kref);
/* This flag is cleared in l2cap_chan_ready() */
set_bit(CONF_NOT_COMPLETE, &chan->conf_state);
@@ -416,13 +416,31 @@ struct l2cap_chan *l2cap_chan_create(void)
return chan;
}
-void l2cap_chan_destroy(struct l2cap_chan *chan)
+static void l2cap_chan_destroy(struct kref *kref)
{
+ struct l2cap_chan *chan = container_of(kref, struct l2cap_chan, kref);
+
+ 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->kref.refcount));
+
+ kref_get(&c->kref);
+}
+
+void l2cap_chan_put(struct l2cap_chan *c)
+{
+ BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->kref.refcount));
+
+ kref_put(&c->kref, l2cap_chan_destroy);
}
void l2cap_chan_set_defaults(struct l2cap_chan *chan)
@@ -1431,7 +1449,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
int err;
BT_DBG("%s -> %s (type %u) psm 0x%2.2x", batostr(src), batostr(dst),
- dst_type, __le16_to_cpu(chan->psm));
+ dst_type, __le16_to_cpu(psm));
hdev = hci_get_route(dst, src);
if (!hdev)
@@ -5331,7 +5349,7 @@ 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;
@@ -5344,7 +5362,6 @@ 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)
@@ -5358,12 +5375,11 @@ 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)
@@ -5406,6 +5422,11 @@ 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;