df plugin: Call `plugin_dispatch_metric_family` unconditionally.

diff --git a/src/df.c b/src/df.c
index bb12519d0d5bdf447e43f18faf6ed0f892a1f6c6..97eac7712e747a8cbce1a60f2fedea8358942409 100644 (file)
--- a/src/df.c
+++ b/src/df.c
@@ -333,10 +333,6 @@ static int df_read(void) {
   };
 
   for (size_t i = 0; i < STATIC_ARRAY_SIZE(families); i++) {
-    if (families[i]->metric.num == 0) {
-      continue;
-    }
-
     int status = plugin_dispatch_metric_family(families[i]);
     if (status != 0) {
       ERROR("df: plugin_dispatch_metric_family failed: %s", STRERROR(status));