Signed-off-by: Nguyễn Thái Ngọc Duy <redacted>
---
 refs.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/refs.c b/refs.c
index 5d31fb6bcf..5902a3d9e5 100644
--- a/refs.c
+++ b/refs.c

@@ -1570,19 +1570,16 @@ struct ref_store *get_submodule_ref_store(const char *submodule)
 
 	refs = lookup_ref_store_map(&submodule_ref_stores, 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;