From: Szymon Janc <szymon.janc@tieto.com>
Date: Wed, 16 Nov 2011 08:32:20 +0000 (+0100)
Subject: Bluetooth: Refactor loop in l2cap_retransmit_one_frame
X-Git-Tag: next-20111117~40^2~3
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d1726b6dc95b5ed0914e969f6765a9e2cf7baf04;p=karo-tx-linux.git

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 bd65b3e8a1df..26925a8f8ead 100644
--- 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) {