mailmap: avoid out-of-bounds memory access

diff --git a/builtin/merge.c b/builtin/merge.c
index dd50a0c57b4d73d03cc84afd90594a56616d4953..e81fde6d79e8896235c4a3901bc303f6094a9e55 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -404,8 +404,7 @@ static void finish(struct commit *head_commit,
                opts.output_format |=
                        DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
                opts.detect_rename = DIFF_DETECT_RENAME;
-               if (diff_setup_done(&opts) < 0)
-                       die(_("diff_setup_done failed"));
+               diff_setup_done(&opts);
                diff_tree_sha1(head, new_head, "", &opts);
                diffcore_std(&opts);
                diff_flush(&opts);