Bluetooth: mgmt: Fix Set SSP check for supported feature

If the local controller doesn't support SSP we should always return an
error for the Set SSP command.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index edf84c3..aa0d640 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1065,6 +1065,12 @@
 		goto failed;
 	}
 
+	if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
+		err = cmd_status(sk, index, MGMT_OP_SET_SSP,
+						MGMT_STATUS_NOT_SUPPORTED);
+		goto failed;
+	}
+
 	if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) {
 		err = cmd_status(sk, index, MGMT_OP_SET_SSP, MGMT_STATUS_BUSY);
 		goto failed;