diff options
| author | Mat Martineau <mathewm@codeaurora.org> | 2011-06-29 14:35:19 -0700 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-07-01 16:13:20 -0300 |
| commit | 02f1b641060486df8eecd66b060ae6551f398593 (patch) | |
| tree | 07518b00fdfc12714f6684753ff9102144d1e515 /net/bluetooth | |
| parent | f8c1fbdb767f7487983b369a0b07ddc82b29f709 (diff) | |
| download | lwn-02f1b641060486df8eecd66b060ae6551f398593.tar.gz lwn-02f1b641060486df8eecd66b060ae6551f398593.zip | |
Bluetooth: Check earlier for L2CAP ERTM frames to drop
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>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/l2cap_core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 27b2cd124f00..bd5d9926bf4f 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3522,9 +3522,6 @@ 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; @@ -3538,6 +3535,9 @@ 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; |