Merge remote-tracking branch 'github/pr/2105'

[collectd.git] / src / daemon / utils_avltree.c

diff --git a/src/daemon/utils_avltree.c b/src/daemon/utils_avltree.c
index 6a4e0f3..87568fb 100644 (file)
--- a/src/daemon/utils_avltree.c
+++ b/src/daemon/utils_avltree.c
@@ -534,6 +534,8 @@ int c_avl_pick(c_avl_tree_t *t, void **key, void **value) {
   c_avl_node_t *n;
   c_avl_node_t *p;
 
+  assert(t != NULL);
+
   if ((key == NULL) || (value == NULL))
     return -1;
   if (t->root == NULL)