diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 9d92097..37bb16f 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -52,7 +52,7 @@
 static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus);
 
 void
-crash_save_this_cpu()
+crash_save_this_cpu(void)
 {
 	void *buf;
 	unsigned long cfm, sof, sol;