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Bluetooth: Fix possible missing I-Frame acknowledgement 

Make l2cap_ertm_send return number of pending I-Frames transmitted
instead of all (pending + retransmitted) I-Frames transmitted.

As only pending I-Frames are considered as acknowledgement, this could
lead to situation when no ACK was sent in __l2cap_send_ack (if only
already transmitted I-Frames were retransmitted).

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Szymon Janc 2012-02-07 15:43:01 +01:00 committed by Johan Hedberg
parent 6d5922b01b
commit 8ed7a0ae78
1 changed files with 3 additions and 3 deletions
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6
net/bluetooth/l2cap_core.c
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@ -1453,8 +1453,10 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq);
if (bt_cb(skb)->retries == 1)
if (bt_cb(skb)->retries == 1) {
chan->unacked_frames++;
nsent++;
}
chan->frames_sent++;
@ -1462,8 +1464,6 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
chan->tx_send_head = NULL;
else
chan->tx_send_head = skb_queue_next(&chan->tx_q, skb);
nsent++;
}
return nsent;