[PATCH v2 04/12] refs.c: refactor get_submodule_ref_store(), share common free block

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

---
 refs.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/refs.c b/refs.c
index 6695140cfe..8912798c1d 100644
--- a/refs.c
+++ b/refs.c
@@ -1571,25 +1571,23 @@ struct ref_store *get_submodule_ref_store(const char *submodule)
 
 	refs = lookup_submodule_ref_store(submodule);
 	if (refs)
-		return refs;
+		goto done;
 
 	strbuf_addstr(&submodule_sb, submodule);
 	ret = is_nonbare_repository_dir(&submodule_sb);
-	strbuf_release(&submodule_sb);
 	if (!ret)
-		return NULL;
+		goto done;
 
 	ret = submodule_to_gitdir(&submodule_sb, submodule);
-	if (ret) {
-		strbuf_release(&submodule_sb);
-		return NULL;
-	}
+	if (ret)
+		goto done;
 
 	/* pretend that add_submodule_odb() has been called */
 	refs = ref_store_init(submodule_sb.buf,
 			      REF_STORE_READ | REF_STORE_ODB);
 	register_submodule_ref_store(refs, submodule);
 
+done:
 	strbuf_release(&submodule_sb);
 	return refs;
 }
-- 
2.11.0.157.gd943d85