Properly report invalid quoted strings

$ systemd-analyze verify trailing-g.service
[./trailing-g.service:2] Trailing garbage, ignoring.
trailing-g.service lacks ExecStart setting. Refusing.
Error: org.freedesktop.systemd1.LoadFailed: Unit trailing-g.service failed to load: Invalid argument.
Failed to create trailing-g.service/start: Invalid argument

1 files changed, 1 insertions, 0 deletions

diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index 995621c91..fecd7ea0c 100644
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -333,6 +333,7 @@ static int parse_dns_server_string(Manager *m, const char *string) {
                 if (r < 0)
                         return r;
         }
+        /* do not warn about state here, since probably systemd already did */
 
         return 0;
 }