diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
index 3374618300af87c16ac3ef6a674e9cb650e62f8c..25a8bc565f400b62c155dd31bb39ff08e8d85dd0 100644
--- a/drivers/serial/kgdboc.c
+++ b/drivers/serial/kgdboc.c
@@ -90,7 +90,8 @@ static DECLARE_WORK(kgdboc_restore_input_work, kgdboc_restore_input_helper);
 
 static void kgdboc_restore_input(void)
 {
-	schedule_work(&kgdboc_restore_input_work);
+	if (likely(system_state == SYSTEM_RUNNING))
+		schedule_work(&kgdboc_restore_input_work);
 }
 
 static int kgdboc_register_kbd(char **cptr)