From: Gustavo F. Padovan <padovan@profusion.mobi>
Date: Sat, 1 May 2010 19:15:36 +0000 (-0300)
Subject: Bluetooth: Fix expected_tx_seq calculation on L2CAP
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7dffe4210233a2860c3f41477c40b3252edf2b7d;p=linux-beck.git

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>
---

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);