stats: openmetrics - Set field always when used

Satisfied static analysers.

Broken in ba19a18d54cb7cf7de93d6a235862a408cfe5828

diff --git a/src/stats/stats-service-openmetrics.c b/src/stats/stats-service-openmetrics.c
index f149894f755a5783402f8b76f9b23bc4ecf8581e..371e8d94286e0f41ebee2bc9fd8405c400ef3fb7 100644 (file)
--- a/src/stats/stats-service-openmetrics.c
+++ b/src/stats/stats-service-openmetrics.c
@@ -165,6 +165,7 @@ openmetrics_export_metric_value(struct openmetrics_request *req, string_t *out,
                            stats_dist_get_sum(metric->duration_stats)/1e6F);
                break;
        case OPENMETRICS_METRIC_TYPE_FIELD:
+               field = &metric->fields[req->field_pos];
                str_printfa(out, " %"PRIu64"\n",
                            stats_dist_get_sum(field->stats));
                break;
@@ -320,6 +321,7 @@ openmetrics_export_metric_header(struct openmetrics_request *req, string_t *out)
                str_append(out, "_duration_seconds counter\n");
                break;
        case OPENMETRICS_METRIC_TYPE_FIELD:
+               field = &metric->fields[req->field_pos];
                str_printfa(out, "_%s counter\n", field->field_key);
                break;
        case OPENMETRICS_METRIC_TYPE_HISTOGRAM: