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Bluetooth: Check earlier for L2CAP ERTM frames to drop

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Even when the received tx_seq is expected, the frame still needs to be
dropped if the TX window is exceeded or the receiver is in the local
busy state.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Mat Martineau
2011-06-29 14:35:19 -07:00
committed by Jaikumar Ganesh
parent 0ea110d6ef
commit 758b9e9a24
1 changed files with 3 additions and 3 deletions
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6
net/bluetooth/l2cap_core.c
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@@ -3523,9 +3523,6 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
chan->expected_ack_seq = req_seq;
l2cap_drop_acked_frames(chan);
if (tx_seq == chan->expected_tx_seq)
goto expected;
tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
if (tx_seq_offset < 0)
tx_seq_offset += 64;
@@ -3539,6 +3536,9 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state))
goto drop;
if (tx_seq == chan->expected_tx_seq)
goto expected;
if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
struct srej_list *first;