format-patch: pick up correct branch name from symbolic ref

diff --git a/patch-ids.c b/patch-ids.c
index 5717257051aceff129a4d0777c0a11bc156cae54..bc8a28fdd71ae1476002d26adec64f54841f5cba 100644 (file)
--- a/patch-ids.c
+++ b/patch-ids.c
@@ -39,8 +39,7 @@ int init_patch_ids(struct patch_ids *ids)
        memset(ids, 0, sizeof(*ids));
        diff_setup(&ids->diffopts);
        DIFF_OPT_SET(&ids->diffopts, RECURSIVE);
-       if (diff_setup_done(&ids->diffopts) < 0)
-               return error("diff_setup_done failed");
+       diff_setup_done(&ids->diffopts);
        return 0;
 }