X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fwrite_prometheus.c;h=526499849c2f27a5040f8d8b7febc00a107c9494;hb=307c875e5a78a2729fbbe1a588d232e9a129d75a;hp=61c43fed7ae921265e049c663804a92e0273a060;hpb=1c5e82a7eefdbcce608951fa5a00c5c5a43a41e6;p=collectd.git

diff --git a/src/write_prometheus.c b/src/write_prometheus.c
index 61c43fed..52649984 100644
--- a/src/write_prometheus.c
+++ b/src/write_prometheus.c
@@ -546,9 +546,14 @@ metric_family_delete_metric(Io__Prometheus__Client__MetricFamily *fam,
             ((fam->n_metric - 1) - i) * sizeof(fam->metric[i]));
   fam->n_metric--;
 
+  if (fam->n_metric == 0) {
+    sfree(fam->metric);
+    return 0;
+  }
+
   Io__Prometheus__Client__Metric **tmp =
       realloc(fam->metric, fam->n_metric * sizeof(*fam->metric));
-  if ((tmp != NULL) || (fam->n_metric == 0))
+  if (tmp != NULL)
     fam->metric = tmp;
 
   return 0;
@@ -594,8 +599,8 @@ static int metric_family_update(Io__Prometheus__Client__MetricFamily *fam,
   if (m == NULL)
     return -1;
 
-  return metric_update(m, vl->values[ds_index], ds->ds[ds_index].type, vl->time,
-                       vl->interval);
+  return metric_update(m, vl->values[ds_index], ds->ds[ds_index].type,
+                       vl->time, vl->interval);
 }
 
 /* metric_family_destroy frees the memory used by a metric family. */