format-table: when generating json, synthesize "null" for invalid ifindex

This matches what we do for other cell types that have an invalid value.
2021-02-10 12:21:56 +01:00
parent a7273eaf32
commit 56909de015
1 changed files with 3 additions and 0 deletions
@@ -2478,6 +2478,9 @@ static int table_data_to_json(TableData *d, JsonVariant **ret) {
                return json_variant_new_integer(ret, d->percent);

        case TABLE_IFINDEX:
+                if (d->ifindex <= 0)
+                        return json_variant_new_null(ret);
+
                return json_variant_new_integer(ret, d->ifindex);

        case TABLE_IN_ADDR: