Bluetooth: Move more vars to struct l2cap_chan

In this commit all ERTM and Streaming Mode specific vars.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index c997393..4f728a4 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -711,7 +711,7 @@
 	sk = sock->sk;
 	lock_sock(sk);
 	l2cap_pi(sk)->imtu = l2cap_mtu;
-	l2cap_pi(sk)->sec_level = sec_level;
+	l2cap_pi(sk)->chan->sec_level = sec_level;
 	if (l2cap_ertm)
 		l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
 	release_sock(sk);