From: Marius Rieder <marius.rieder@durchmesser.ch>
Date: Sun, 6 May 2007 14:41:45 +0000 (+0200)
Subject: src/plugin.c: Check `list_data_set' to be non-NULL before querying it.
X-Git-Tag: collectd-4.0.0~50
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=963dca85df6fb2f5654d3de1d14ae991d550c870;p=collectd.git

src/plugin.c: Check `list_data_set' to be non-NULL before querying it.
---

diff --git a/src/plugin.c b/src/plugin.c
index ee1240cb..7dd7bd96 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -420,7 +420,8 @@ int plugin_register_data_set (const data_set_t *ds)
 	data_set_t *ds_copy;
 	int i;
 
-	if (llist_search (list_data_set, ds->type) != NULL)
+	if ((list_data_set != NULL)
+			&& (llist_search (list_data_set, ds->type) != NULL))
 	{
 		NOTICE ("Replacing DS `%s' with another version.", ds->type);
 		plugin_unregister_data_set (ds->type);
@@ -493,6 +494,9 @@ int plugin_unregister_data_set (const char *name)
 	llentry_t  *e;
 	data_set_t *ds;
 
+	if (list_data_set == NULL)
+		return (-1);
+
 	e = llist_search (list_data_set, name);
 
 	if (e == NULL)
@@ -615,7 +619,7 @@ int plugin_dispatch_values (const char *name, const value_list_t *vl)
 	data_set_t *ds;
 	llentry_t *le;
 
-	if (list_write == NULL)
+	if ((list_write == NULL) || (list_data_set == NULL))
 		return (-1);
 
 	le = llist_search (list_data_set, name);