From 33d367589581a9f46fe291181ef2b30b812e5cb3 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 19 Oct 2018 03:40:30 +0900
Subject: [PATCH] sd-dhcp6: do not update serverid when ENOMEM

---
 src/libsystemd-network/sd-dhcp6-lease.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/libsystemd-network/sd-dhcp6-lease.c b/src/libsystemd-network/sd-dhcp6-lease.c
index 15fec2d851..8b424811ad 100644
--- a/src/libsystemd-network/sd-dhcp6-lease.c
+++ b/src/libsystemd-network/sd-dhcp6-lease.c
@@ -52,15 +52,16 @@ DHCP6IA *dhcp6_lease_free_ia(DHCP6IA *ia) {
 
 int dhcp6_lease_set_serverid(sd_dhcp6_lease *lease, const uint8_t *id,
                              size_t len) {
+        uint8_t *serverid;
+
         assert_return(lease, -EINVAL);
         assert_return(id, -EINVAL);
 
-        free(lease->serverid);
-
-        lease->serverid = memdup(id, len);
-        if (!lease->serverid)
-                return -EINVAL;
+        serverid = memdup(id, len);
+        if (!serverid)
+                return -ENOMEM;
 
+        free_and_replace(lease->serverid, serverid);
         lease->serverid_len = len;
 
         return 0;