resolved: use dns_answer_isempty() where appropriate

diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c
index 23612a5c353b79110b6e949772865292a9010c4f..8edbd5fee94c63c597f5130391241f088e5430fa 100644 (file)
--- a/src/resolve/resolved-dns-cache.c
+++ b/src/resolve/resolved-dns-cache.c
@@ -693,7 +693,7 @@ int dns_cache_put(
          * short time.) */
 
         if (IN_SET(rcode, DNS_RCODE_SUCCESS, DNS_RCODE_NXDOMAIN)) {
-                if (dns_answer_size(answer) <= 0) {
+                if (dns_answer_isempty(answer)) {
                         if (key) {
                                 char key_str[DNS_RESOURCE_KEY_STRING_MAX];