From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sat, 18 Mar 2023 03:17:54 +0000 (+0900)
Subject: core/transaction: make merge_unit_ids() return non-NULL on success
X-Git-Tag: v254-rc1~976^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=999f16514367224cbc50cb3ccc1e4392e43f6811;p=thirdparty%2Fsystemd.git

core/transaction: make merge_unit_ids() return non-NULL on success
---

diff --git a/src/core/transaction.c b/src/core/transaction.c
index 1f420fe176f..3cfa974fdab 100644
--- a/src/core/transaction.c
+++ b/src/core/transaction.c
@@ -341,6 +341,9 @@ static char* merge_unit_ids(const char* unit_log_field, char * const* pairs) {
                 size += next + 1;
         }
 
+        if (!ans)
+                return strdup("");
+
         return TAKE_PTR(ans);
 }