diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index c5a8b2d..15dbfd9 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -68,7 +68,7 @@
 void kgdb_roundup_cpus(unsigned long flags)
 {
 	local_irq_enable();
-	smp_call_function(kgdb_call_nmi_hook, NULL, NULL);
+	smp_call_function(kgdb_call_nmi_hook, NULL, 0);
 	local_irq_disable();
 }