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Bluetooth: Update tx_send_head when sending ERTM data 

Commit 94122bbe9c introduced a problem
where tx_send_head was not set to point to the first skb in the ERTM
transmit queue, which stalled data transmission.  This change sets
that pointer when transmission is not already in progress.

Reported-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
This commit is contained in:
Mat Martineau 2012-05-14 11:24:33 -07:00 committed by Gustavo Padovan
parent 53168e5b3b
commit 577cfaeb86
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/l2cap_core.c
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@ -2104,7 +2104,10 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
if (err)
break;
if (chan->mode == L2CAP_MODE_ERTM && chan->tx_send_head == NULL)
chan->tx_send_head = seg_queue.next;
skb_queue_splice_tail_init(&seg_queue, &chan->tx_q);
if (chan->mode == L2CAP_MODE_ERTM)
err = l2cap_ertm_send(chan);
else