235 		struct rb_node *old = node, *left;  in rb_erase()  local
246 		if (parent == old) {  in rb_erase()
252 		node->rb_parent_color = old->rb_parent_color;  in rb_erase()
253 		node->rb_right = old->rb_right;  in rb_erase()
254 		node->rb_left = old->rb_left;  in rb_erase()
256 		if (rb_parent(old))  in rb_erase()
258 			if (rb_parent(old)->rb_left == old)  in rb_erase()
259 				rb_parent(old)->rb_left = node;  in rb_erase()
261 				rb_parent(old)->rb_right = node;  in rb_erase()
265 		rb_set_parent(old->rb_left, node);  in rb_erase()
266 		if (old->rb_right)  in rb_erase()
267 			rb_set_parent(old->rb_right, node);  in rb_erase()