From b17e73bb4269f47e1ea2d64a834f1cfc8644fabb Mon Sep 17 00:00:00 2001 From: Szymon Janc Date: Wed, 11 Jan 2012 10:59:47 +0100 Subject: [PATCH] Bluetooth: Clear ack_timer when sending ack ack_timer should be cleared when sending ACK to avoid acking I-frames twice. This commit introduces helper function (only send ack, not clearing timer) which is used by l2cap_send_ack and l2cap_ack_timeout. This is to avoid clearing ack timer in timer function. Signed-off-by: Szymon Janc Acked-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- net/bluetooth/l2cap_core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 0d5bb45e7be7..3b9e2813f1fc 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1478,7 +1478,7 @@ static int l2cap_retransmit_frames(struct l2cap_chan *chan) return ret; } -static void l2cap_send_ack(struct l2cap_chan *chan) +static void __l2cap_send_ack(struct l2cap_chan *chan) { u32 control = 0; @@ -1498,6 +1498,12 @@ static void l2cap_send_ack(struct l2cap_chan *chan) l2cap_send_sframe(chan, control); } +static void l2cap_send_ack(struct l2cap_chan *chan) +{ + __clear_ack_timer(chan); + __l2cap_send_ack(chan); +} + static void l2cap_send_srejtail(struct l2cap_chan *chan) { struct srej_list *tail; @@ -1988,7 +1994,7 @@ static void l2cap_ack_timeout(struct work_struct *work) BT_DBG("chan %p", chan); lock_sock(chan->sk); - l2cap_send_ack(chan); + __l2cap_send_ack(chan); release_sock(chan->sk); } -- 2.34.1