Core: removed dead code in ngx_rbtree_delete().

The result of ngx_rbtree_min() is always a node with the left child equal to sentinel, thus the check is unnecessary.
nginx · Sep 30, 2019 · f7999fe · f7999fe
1 parent 201062c
commit f7999fe
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/src/core/ngx_rbtree.c b/src/core/ngx_rbtree.c
@@ -174,12 +174,7 @@ ngx_rbtree_delete(ngx_rbtree_t *tree, ngx_rbtree_node_t *node)
 
     } else {
         subst = ngx_rbtree_min(node->right, sentinel);
-
-        if (subst->left != sentinel) {
-            temp = subst->left;
-        } else {
-            temp = subst->right;
-        }
+        temp = subst->right;
     }
 
     if (subst == *root) {