On Thu, Oct 18, 2012 at 10:58:49AM -0700, Mat Martineau wrote:
> Do not retransmit previously-sent data when a "receiver ready" s-frame
> with the "final" flag is received during a move.
>
> The ERTM state machines will resynchronize at the end of a channel
> move, and the state machine needs to avoid state changes during a
> move.
>
> Signed-off-by: Mat Martineau <mathewm@xxxxxxxxxxxxxx>
> Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
> ---
> net/bluetooth/l2cap_core.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index e89af62..8fa46de 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -5612,8 +5612,8 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan,
> if (control->final) {
> clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
>
> - if (!test_and_clear_bit(CONN_REJ_ACT,
> - &chan->conn_state)) {
> + if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state) &&
> + !__chan_is_moving(chan)) {
> control->final = 0;
> l2cap_retransmit_all(chan, control);
> }
> --
> 1.7.12.3
>
> --
> Mat Martineau
>
> Employee of Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
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