# HG changeset patch
# User Olaf Wintermann <olaf.wintermann@gmail.com>
# Date 1683453207 -7200
# Node ID 5454ae7bf86b451c4ae1632b73028205ef71e9bf
# Parent  d218607f5a7ee5ecbc6780b13be46635723fc76b
update ucx

diff -r d218607f5a7e -r 5454ae7bf86b src/ucx/linked_list.c
--- a/src/ucx/linked_list.c	Fri May 05 18:02:11 2023 +0200
+++ b/src/ucx/linked_list.c	Sun May 07 11:53:27 2023 +0200
@@ -355,6 +355,9 @@
     // set start node
     ls = *begin;
 
+    // early exit when this list is empty
+    if (ls == NULL) return;
+
     // check how many elements are already sorted
     lc = ls;
     size_t ln = 1;