resolved: use dns_question_isempty() where appropriate

diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c
index 42e779c9d8c22eb742da1dccecdddf2d580d3ec3..6db973d83846b7d36fddbd0af1caa720582c4645 100644 (file)
--- a/src/resolve/resolved-dns-query.c
+++ b/src/resolve/resolved-dns-query.c
@@ -561,7 +561,7 @@ static int manager_validate_and_mangle_question(Manager *manager, DnsQuestion **
         assert(question);
         assert(ret_allocated);
 
-        if (!*question) {
+        if (dns_question_isempty(*question)) {
                 *ret_allocated = NULL;
                 return 0;
         }