[Bluez PATCH v1] Bluetooth: L2CAP: handle l2cap config request during open state

According to Core Spec Version 5.2 | Vol 3, Part A 6.1.5,
the incoming L2CAP_ConfigReq should be handled during
OPEN state.

Signed-off-by: Howard Chung <redacted>

---

net/bluetooth/l2cap_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 697c0f7f2c1a..5e6e35ab44dd 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c

@@ -4300,7 +4300,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,

		return 0;
	}

-	if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2) {
+	if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2 &&
+	    chan->state != BT_CONNECTED) {
		cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
				       chan->dcid);
		goto unlock;