net: microchip: vcap api: Erase VCAP cache before encoding rule

For consistency the VCAP cache area is erased just before the new rule is
being encoded.
Signed-off-by: NSteen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/microchip/vcap/vcap_api.c

@@ -1823,6 +1823,7 @@ int vcap_add_rule(struct vcap_rule *rule)
 	}
 	if (move.count > 0)
 		vcap_move_rules(ri, &move);
+	vcap_erase_cache(ri);
 	ret = vcap_encode_rule(ri);
 	if (ret) {
 		pr_err("%s:%d: rule encoding error: %d\n", __func__, __LINE__, ret);
@@ -1885,7 +1886,6 @@ struct vcap_rule *vcap_alloc_rule(struct vcap_control *vctrl,
 	ri->vctrl = vctrl; /* refer to the client */
 	if (vcap_set_rule_id(ri) == 0)
 		goto out_free;
-	vcap_erase_cache(ri);
 	return (struct vcap_rule *)ri;
 
 out_free: