From: Marcel Holtmann <marcel@holtmann.org>
Date: Sat, 18 Nov 2006 21:15:20 +0000 (+0100)
Subject: [Bluetooth] Ignore L2CAP config requests on disconnect
X-Git-Tag: v2.6.19~56^2~7
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=354f60a9952d0af59e684b91cc6e06b95fbbf5ef;p=linux-2.6

[Bluetooth] Ignore L2CAP config requests on disconnect

Any L2CAP connection in disconnecting state shall not response
to any further config requests from the remote side. So in case
such a request is received, ignore it.

Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index c09d4a20d6..bbf78e6a7b 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1533,6 +1533,9 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 	if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
 		return -ENOENT;
 
+	if (sk->sk_state == BT_DISCONN)
+		goto unlock;
+
 	l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req));
 
 	if (flags & 0x0001) {