Bluetooth: Fix drop of packets with invalid req_seq/tx_seq
We shall not use an unsigned var since we are expecting negatives value
there. Using unsigned causes ERTM connection to close due to invalid
ReqSeq numbers.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 6c5462b..7e39d9e 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3796,7 +3796,7 @@
u8 tx_seq = __get_txseq(rx_control);
u8 req_seq = __get_reqseq(rx_control);
u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
- u8 tx_seq_offset, expected_tx_seq_offset;
+ int tx_seq_offset, expected_tx_seq_offset;
int num_to_ack = (pi->tx_win/6) + 1;
int err = 0;
@@ -4081,7 +4081,8 @@
struct sock *sk;
struct l2cap_pinfo *pi;
u16 control, len;
- u8 tx_seq, req_seq, next_tx_seq_offset, req_seq_offset;
+ u8 tx_seq, req_seq;
+ int next_tx_seq_offset, req_seq_offset;
sk = l2cap_get_chan_by_scid(&conn->chan_list, cid);
if (!sk) {