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authorMarcel Holtmann <marcel@holtmann.org>2007-10-20 13:35:42 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-22 02:59:40 -0700
commit876d9484edf77d228adb42aecd4debd58d7739d6 (patch)
tree7812471a62fe26a8cf86d2b8fe5584396527de40 /net
parenta9de9248064bfc8eb0a183a6a951a4e7b5ca10a4 (diff)
[Bluetooth] Finish L2CAP configuration only with acceptable settings
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>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/l2cap.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 36ef27b625db..6ce693d2e5b9 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -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) {