shared: simplify dns_name_is_single_label() by using dns_name_parent() to skip first label

1 files changed, 1 insertions, 2 deletions

diff --git a/src/shared/dns-domain.c b/src/shared/dns-domain.c
index a127e594ac..ef81341eca 100644
--- a/src/shared/dns-domain.c
+++ b/src/shared/dns-domain.c
@@ -912,12 +912,11 @@ bool dns_name_is_root(const char *name) {
 }
 
 bool dns_name_is_single_label(const char *name) {
-        char label[DNS_LABEL_MAX+1];
         int r;
 
         assert(name);
 
-        r = dns_label_unescape(&name, label, sizeof(label));
+        r = dns_name_parent(&name);
         if (r <= 0)
                 return false;