systemctl: short cut things if we aren't root and the user requested a reboot to suppress unnecessary wall message

1 files changed, 5 insertions, 0 deletions

diff --git a/src/systemctl.c b/src/systemctl.c
index 01deafe2a1..0314337903 100644
--- a/src/systemctl.c
+++ b/src/systemctl.c
@@ -3156,6 +3156,11 @@ static int start_with_fallback(DBusConnection *bus) {
 static int halt_main(DBusConnection *bus) {
         int r;
 
+        if (geteuid() != 0) {
+                log_error("Must to be root.");
+                return -EPERM;
+        }
+
         if (!arg_dry && !arg_immediate)
                 return start_with_fallback(bus);