Bluetooth: Remove unneeded calculation and magic number

Remove magic number unneeded calculation since
hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>

net/bluetooth/l2cap_core.c

@@ -1875,8 +1875,8 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
-	lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
-	put_unaligned(chan->psm, skb_put(skb, 2));
+	lh->len = cpu_to_le16(len + L2CAP_PSMLEN_SIZE);
+	put_unaligned(chan->psm, skb_put(skb, L2CAP_PSMLEN_SIZE));
 
 	err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);
 	if (unlikely(err < 0)) {