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Fix issues found by Coverity.
[tinc]
/
src
/
avl_tree.c
diff --git
a/src/avl_tree.c
b/src/avl_tree.c
index
a8bf5d5
..
4b23756
100644
(file)
--- a/
src/avl_tree.c
+++ b/
src/avl_tree.c
@@
-228,8
+228,7
@@
static void avl_rebalance(avl_tree_t *tree, avl_node_t *node)
gchild->left->parent = gchild;
gchild->right = child;
gchild->left->parent = gchild;
gchild->right = child;
- if(gchild->right)
- gchild->right->parent = gchild;
+ gchild->right->parent = gchild;
*superparent = gchild;
gchild->parent = parent;
*superparent = gchild;
gchild->parent = parent;
@@
-600,6
+599,8
@@
void avl_unlink_node(avl_tree_t *tree, avl_node_t *node)
balnode = parent;
} else {
subst = node->prev;
balnode = parent;
} else {
subst = node->prev;
+ if(!subst) // This only happens if node is not actually in a tree at all.
+ abort();
if(subst == left) {
balnode = subst;
if(subst == left) {
balnode = subst;