From 4bee2333cfe43152773c554d2c0b952dfe24789c Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 22 Jun 2021 14:41:45 +0900
Subject: [PATCH] mount-util: add one more assertion

---
 src/shared/mount-util.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/shared/mount-util.c b/src/shared/mount-util.c
index c4261b2494..fa0d5cd880 100644
--- a/src/shared/mount-util.c
+++ b/src/shared/mount-util.c
@@ -564,6 +564,8 @@ static int mount_flags_to_string(long unsigned flags, char **ret) {
         };
         _cleanup_free_ char *str = NULL;
 
+        assert(ret);
+
         for (size_t i = 0; i < ELEMENTSOF(map); i++)
                 if (flags & map[i].flag) {
                         if (!strextend_with_separator(&str, "|", map[i].name))
-- 
2.25.1