Index: kernel/arch/mips32/src/mach/malta/malta.c
===================================================================
--- kernel/arch/mips32/src/mach/malta/malta.c	(revision 7d771d5939e50a0d530f53d57ae9a07dd944f471)
+++ kernel/arch/mips32/src/mach/malta/malta.c	(revision 01784d20ebe77098db8f9fe743d50de2c8c9b646)
@@ -92,5 +92,7 @@
 static outdev_operations_t yamon_outdev_ops = {
 	.write = yamon_putchar,
-	.redraw = NULL
+	.redraw = NULL,
+	.scroll_up = NULL,
+	.scroll_down = NULL
 };