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[Bluetooth] Finish L2CAP configuration only with acceptable settings

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The parameters of the L2CAP output configuration might not be accepted
after the first configuration round. So only indicate a finished output
configuration when acceptable settings are provided.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2007-10-20 13:35:42 +02:00 committed by David S. Miller
parent a9de924806
commit 876d9484ed
1 changed files with 10 additions and 6 deletions
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16
net/bluetooth/l2cap.c
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@ -1370,8 +1370,10 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
if (pi->conf_mtu < pi->omtu)
result = L2CAP_CONF_UNACCEPT;
else
else {
pi->omtu = pi->conf_mtu;
pi->conf_state |= L2CAP_CONF_OUTPUT_DONE;
}
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->omtu);
}
@ -1577,16 +1579,19 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp);
/* Output config done. */
l2cap_pi(sk)->conf_state |= L2CAP_CONF_OUTPUT_DONE;
/* Reset config buffer. */
l2cap_pi(sk)->conf_len = 0;
if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_OUTPUT_DONE))
goto unlock;
if (l2cap_pi(sk)->conf_state & L2CAP_CONF_INPUT_DONE) {
sk->sk_state = BT_CONNECTED;
l2cap_chan_ready(sk);
} else if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT)) {
goto unlock;
}
if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT)) {
u8 req[64];
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
l2cap_build_conf_req(sk, req), req);
@ -1646,7 +1651,6 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
if (flags & 0x01)
goto done;
/* Input config done */
l2cap_pi(sk)->conf_state |= L2CAP_CONF_INPUT_DONE;
if (l2cap_pi(sk)->conf_state & L2CAP_CONF_OUTPUT_DONE) {