tag: factor out get_tagged_oid()

diff --git a/refs/files-backend.c b/refs/files-backend.c
index b1f8f53a098da3525fdff5011b93f39138df3df2..d60767ab739f0e20e45c700368f7f9f24a52c3f8 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2151,8 +2151,10 @@ static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store,
        strbuf_addf(&sb, "%s/logs", gitdir);
 
        diter = dir_iterator_begin(sb.buf, 0);
-       if(!diter)
+       if (!diter) {
+               strbuf_release(&sb);
                return empty_ref_iterator_begin();
+       }
 
        iter = xcalloc(1, sizeof(*iter));
        ref_iterator = &iter->base;