csv plugin: set datadir null when free

[collectd.git] / src / utils_avltree.c

diff --git a/src/utils_avltree.c b/src/utils_avltree.c
index 0436d8fe077eceeaffdeff607bc8f9e44ebe5aca..f71b1fd6913bbc9676bb0e494d26bba1f829e7c2 100644 (file)
--- a/src/utils_avltree.c
+++ b/src/utils_avltree.c
@@ -487,6 +487,8 @@ 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);
 }
@@ -510,6 +512,7 @@ int c_avl_insert (c_avl_tree_t *t, void *key, void *value)
        {
                new->parent = NULL;
                t->root = new;
+               t->size = 1;
                return (0);
        }