Bluetooth: Fix expected_tx_seq calculation on L2CAP

All operation related to the txWindow should be modulo 64.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Reviewed-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 46f22640a337..401011a53c73 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3611,7 +3611,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
                 if (pi->expected_tx_seq == tx_seq)
                         pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
                 else
-                        pi->expected_tx_seq = tx_seq + 1;
+                        pi->expected_tx_seq = (tx_seq + 1) % 64;
 
                 l2cap_sar_reassembly_sdu(sk, skb, control);