prio-queue: factor out compare and swap operations

diff --git a/line-log.c b/line-log.c
index 150010105806291180d9e6bdfcf1939fb242f2ac..afcc98db930a36358283ff199a428b6c5bbbaf8f 100644 (file)
--- a/line-log.c
+++ b/line-log.c
@@ -1174,9 +1174,7 @@ static int process_ranges_merge_commit(struct rev_info *rev, struct commit *comm
                         */
                        add_line_range(rev, parents[i], cand[i]);
                        clear_commit_line_range(rev, commit);
-                       commit->parents = xmalloc(sizeof(struct commit_list));
-                       commit->parents->item = parents[i];
-                       commit->parents->next = NULL;
+                       commit_list_append(parents[i], &commit->parents);
                        free(parents);
                        free(cand);
                        free_diffqueues(nparents, diffqueues);