These variables are only used for math. They should be from -63 to +63.
In the original code instead of being negative they would be largish
positive numbers. I changed them to ints.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 1b682a5..4a13499 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3795,7 +3795,7 @@ 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;
@@ -4080,7 +4080,7 @@ 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;
+ int tx_seq, req_seq, next_tx_seq_offset, req_seq_offset;
sk = l2cap_get_chan_by_scid(&conn->chan_list, cid);
if (!sk) {
--
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