From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Sat, 29 Aug 2009 11:58:56 +0000 (+0200)
Subject: src/plugin.c: unregister_read: llist_search may return NULL.
X-Git-Tag: collectd-4.7.3~7
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=2f23f605cb74588854b67b6a50850dbaa4d8d93d;p=collectd.git

src/plugin.c: unregister_read: llist_search may return NULL.

Handle these cases gracefully.
---

diff --git a/src/plugin.c b/src/plugin.c
index 70e0c0ff..6fb75206 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -888,6 +888,14 @@ int plugin_unregister_read (const char *name) /* {{{ */
 	}
 
 	le = llist_search (read_list, name);
+	if (le == NULL)
+	{
+		pthread_mutex_unlock (&read_lock);
+		WARNING ("plugin_unregister_read: No such read function: %s",
+				name);
+		return (-ENOENT);
+	}
+
 	llist_remove (read_list, le);
 
 	rf = le->value;