Bluetooth: Check for force_lesc_support before rejecting SMP over BR/EDR

The SMP over BR/EDR requests for cross-transport pairing should also
accepted when the debugfs setting force_lesc_support has been enabled.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 96bf16d..3e174f9 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -1674,7 +1674,8 @@
 	/* SMP over BR/EDR requires special treatment */
 	if (conn->hcon->type == ACL_LINK) {
 		/* We must have a BR/EDR SC link */
-		if (!test_bit(HCI_CONN_AES_CCM, &conn->hcon->flags))
+		if (!test_bit(HCI_CONN_AES_CCM, &conn->hcon->flags) &&
+		    !test_bit(HCI_FORCE_LESC, &hdev->dbg_flags))
 			return SMP_CROSS_TRANSP_NOT_ALLOWED;
 
 		set_bit(SMP_FLAG_SC, &smp->flags);