Bluetooth: Refactor loop in l2cap_retransmit_one_frame

This make it easier to see what is the real reason for loop to exit.
skb_queue_next return valid skb or garbage, not NULL.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index bd65b3e..26925a8 100644 (file)
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1318,14 +1318,12 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u16 tx_seq)
        if (!skb)
                return;
 
-       do {
-               if (bt_cb(skb)->tx_seq == tx_seq)
-                       break;
-
+       while (bt_cb(skb)->tx_seq != tx_seq) {
                if (skb_queue_is_last(&chan->tx_q, skb))
                        return;
 
-       } while ((skb = skb_queue_next(&chan->tx_q, skb)));
+               skb = skb_queue_next(&chan->tx_q, skb);
+       }
 
        if (chan->remote_max_tx &&
                        bt_cb(skb)->retries == chan->remote_max_tx) {