X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fsnmp.c;h=e0e19732be3a687ac7e3fd301996d7b9d54b84fc;hb=e1d4681088e33d3ec256c296dff4dbaeb70b883a;hp=8b327308eac6ba534448c813a58bc237d33a7d5d;hpb=c7d859191d8fbfc129dea8cfaf9e13e78fd6642c;p=collectd.git

diff --git a/src/snmp.c b/src/snmp.c
index 8b327308..e0e19732 100644
--- a/src/snmp.c
+++ b/src/snmp.c
@@ -1360,8 +1360,12 @@ static int csnmp_dispatch_table (host_definition_t *host, data_definition_t *dat
     for (i = 0; i < data->values_len; i++)
       vl.values[i] = value_table_ptr[i]->value;
 
-    /* If we get here `vl.type_instance' and all `vl.values' have been set */
-    plugin_dispatch_values (&vl);
+    /* If we get here `vl.type_instance' and all `vl.values' have been set
+     * vl.type_instance can be empty, i.e. a blank port description on a
+     * switch if you're using IF-MIB::ifDescr as Instance.
+     */
+    if (vl.type_instance[0] != '\0')
+      plugin_dispatch_values (&vl);
 
     if (instance_list != NULL)
       instance_list_ptr = instance_list_ptr->next;