From: Gustavo F. Padovan Date: Mon, 10 May 2010 21:32:04 +0000 (-0300) Subject: Bluetooth: Fix drop of packets with invalid req_seq/tx_seq X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f6337c771126420c348b702e012262cfb5f0d56e;p=linux-beck.git 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 Signed-off-by: Marcel Holtmann --- diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 6c5462b2a244..7e39d9ee0b9c 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -3796,7 +3796,7 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str 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 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk 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) {