diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 65fdae9e48f3..5bc8be1eba11 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -74,7 +74,7 @@ struct halt_info {
 static void
 common_shutdown_1(void *generic_ptr)
 {
-	struct halt_info *how = (struct halt_info *)generic_ptr;
+	struct halt_info *how = generic_ptr;
 	struct percpu_struct *cpup;
 	unsigned long *pflags, flags;
 	int cpuid = smp_processor_id();