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-rw-r--r--src/resolve/resolved-link.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c
index 97b5f60545..8cfaacafff 100644
--- a/src/resolve/resolved-link.c
+++ b/src/resolve/resolved-link.c
@@ -190,6 +190,27 @@ int link_update_rtnl(Link *l, sd_netlink_message *m) {
return 0;
}
+static int link_update_dns_server_one(Link *l, const char *name) {
+ union in_addr_union a;
+ DnsServer *s;
+ int family, r;
+
+ assert(l);
+ assert(name);
+
+ r = in_addr_from_string_auto(name, &family, &a);
+ if (r < 0)
+ return r;
+
+ s = dns_server_find(l->dns_servers, family, &a, 0);
+ if (s) {
+ dns_server_move_back_and_unmark(s);
+ return 0;
+ }
+
+ return dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, family, &a, 0);
+}
+
static int link_update_dns_servers(Link *l) {
_cleanup_strv_free_ char **nameservers = NULL;
char **nameserver;
@@ -208,22 +229,9 @@ static int link_update_dns_servers(Link *l) {
dns_server_mark_all(l->dns_servers);
STRV_FOREACH(nameserver, nameservers) {
- union in_addr_union a;
- DnsServer *s;
- int family;
-
- r = in_addr_from_string_auto(*nameserver, &family, &a);
+ r = link_update_dns_server_one(l, *nameserver);
if (r < 0)
goto clear;
-
- s = dns_server_find(l->dns_servers, family, &a, 0);
- if (s)
- dns_server_move_back_and_unmark(s);
- else {
- r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, family, &a, 0);
- if (r < 0)
- goto clear;
- }
}
dns_server_unlink_marked(l->dns_servers);