resolvectl: improve error message if we do not support dumping payload of RR

diff --git a/src/resolve/resolvectl.c b/src/resolve/resolvectl.c
index f2da7464fe1146ad30285bfa12b80add092723cd..f6708cdeadda1464d7f05d39016ff78f4150b26d 100644 (file)
--- a/src/resolve/resolvectl.c
+++ b/src/resolve/resolvectl.c
@@ -493,6 +493,8 @@ static int output_rr_packet(const void *d, size_t l, int ifindex) {
                 ssize_t k;
 
                 k = dns_resource_record_payload(rr, &data);
+                if (k == -EINVAL)
+                        return log_error_errno(k, "Dumping of binary payload not available for RRs of this type: %s", dns_type_to_string(rr->key->type));
                 if (k < 0)
                         return log_error_errno(k, "Cannot dump RR: %m");
                 fwrite(data, 1, k, stdout);