From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 15 Jun 2021 23:33:04 +0000 (+0900)
Subject: network: IFA_F_NODAD flag is only for IPv6 addresses
X-Git-Tag: v249-rc2~53^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bd5146c67eedcfaea054ae569d1621cb511b20da;p=thirdparty%2Fsystemd.git

network: IFA_F_NODAD flag is only for IPv6 addresses
---

diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index b84181892ef..afcbb12473b 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -2111,7 +2111,8 @@ static int address_section_verify(Address *address) {
                 address->scope = RT_SCOPE_HOST;
         }
 
-        if (!FLAGS_SET(address->duplicate_address_detection, ADDRESS_FAMILY_IPV6))
+        if (address->family == AF_INET6 &&
+            !FLAGS_SET(address->duplicate_address_detection, ADDRESS_FAMILY_IPV6))
                 address->flags |= IFA_F_NODAD;
 
         return 0;