write_open_telemetry plugin: Adapt to changed resource_metrics semantic.

diff --git a/src/write_open_telemetry.cc b/src/write_open_telemetry.cc
index a2bcbc2af472b6f929a74e4d57acc3d27cb2735d..5277a41ca7b272fa49875100909dddfbb198396b 100644 (file)
--- a/src/write_open_telemetry.cc
+++ b/src/write_open_telemetry.cc
@@ -188,7 +188,10 @@ static int ot_write(metric_family_t const *fam, user_data_t *user_data) {
   int status = resource_metrics_add(&cb->resource_metrics, fam);
   pthread_mutex_unlock(&cb->mu);
 
-  return status;
+  if (status < 0) {
+    return status;
+  }
+  return 0;
 }
 
 static int ot_config_node(oconfig_item_t *ci) {