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-rw-r--r--net/bluetooth/amp.c6
-rw-r--r--net/bluetooth/l2cap_core.c7
2 files changed, 7 insertions, 6 deletions
diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c
index 4b2fea6..eaf473f 100644
--- a/net/bluetooth/amp.c
+++ b/net/bluetooth/amp.c
@@ -386,13 +386,17 @@ void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon)
bredr_chan = mgr->bredr_chan;
+ l2cap_chan_lock(bredr_chan);
+
set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags);
bredr_chan->remote_amp_id = hs_hcon->remote_id;
bredr_chan->hs_hcon = hs_hcon;
bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu;
bredr_chan->fcs = L2CAP_FCS_NONE;
- l2cap_physical_cfm(bredr_chan, 0);
+ __l2cap_physical_cfm(bredr_chan, 0);
+
+ l2cap_chan_unlock(bredr_chan);
hci_dev_put(bredr_hdev);
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e4f52a7..22c4ef9 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4611,7 +4611,8 @@ static void l2cap_do_move_cancel(struct l2cap_chan *chan, int result)
l2cap_ertm_send(chan);
}
-void l2cap_physical_cfm(struct l2cap_chan *chan, int result)
+/* Invoke with locked chan */
+void __l2cap_physical_cfm(struct l2cap_chan *chan, int result)
{
u8 local_amp_id = chan->local_amp_id;
u8 remote_amp_id = chan->remote_amp_id;
@@ -4619,8 +4620,6 @@ void l2cap_physical_cfm(struct l2cap_chan *chan, int result)
BT_DBG("chan %p, result %d, local_amp_id %d, remote_amp_id %d",
chan, result, local_amp_id, remote_amp_id);
- l2cap_chan_lock(chan);
-
if (chan->state == BT_DISCONN || chan->state == BT_CLOSED) {
l2cap_chan_unlock(chan);
return;
@@ -4644,8 +4643,6 @@ void l2cap_physical_cfm(struct l2cap_chan *chan, int result)
break;
}
}
-
- l2cap_chan_unlock(chan);
}
static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
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