From: Florian Forster <octo@collectd.org>
Date: Sun, 27 May 2012 09:10:56 +0000 (+0200)
Subject: src/utils_avltree.c: Add sanity check to c_avl_destroy().
X-Git-Tag: collectd-5.0.5~7^2~14
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=da93b3172489e2eb51a93b0ab2238247a16c8e5b

src/utils_avltree.c: Add sanity check to c_avl_destroy().
---

diff --git a/src/utils_avltree.c b/src/utils_avltree.c
index 3e258e95..12310d3f 100644
--- a/src/utils_avltree.c
+++ b/src/utils_avltree.c
@@ -485,6 +485,8 @@ c_avl_tree_t *c_avl_create (int (*compare) (const void *, const void *))
 
 void c_avl_destroy (c_avl_tree_t *t)
 {
+	if (t == NULL)
+		return;
 	free_node (t->root);
 	free (t);
 }