Bluetooth: Remove useless sk variable in l2cap_le_conn_ready

The sk variable is of quite little use since it's only used to simplify
access in the two bt_sk() calls.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/l2cap_core.c

@@ -1340,7 +1340,7 @@ static struct l2cap_chan *l2cap_global_chan_by_scid(int state, u16 cid,
 
 static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 {
-	struct sock *parent, *sk;
+	struct sock *parent;
 	struct l2cap_chan *chan, *pchan;
 
 	BT_DBG("");
@@ -1361,13 +1361,11 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 
 	chan->dcid = L2CAP_CID_ATT;
 
-	sk = chan->sk;
-
 	hci_conn_hold(conn->hcon);
 	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
 
-	bacpy(&bt_sk(sk)->src, conn->src);
-	bacpy(&bt_sk(sk)->dst, conn->dst);
+	bacpy(&bt_sk(chan->sk)->src, conn->src);
+	bacpy(&bt_sk(chan->sk)->dst, conn->dst);
 
 	l2cap_chan_add(conn, chan);