diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c
index f25685b..276945d 100644
--- a/drivers/macintosh/therm_adt746x.c
+++ b/drivers/macintosh/therm_adt746x.c
@@ -379,13 +379,10 @@
 	if (thermostat)
 		return 0;
 
-	th = (struct thermostat *)
-		kmalloc(sizeof(struct thermostat), GFP_KERNEL);
-
+	th = kzalloc(sizeof(struct thermostat), GFP_KERNEL);
 	if (!th)
 		return -ENOMEM;
 
-	memset(th, 0, sizeof(*th));
 	th->clt.addr = addr;
 	th->clt.adapter = adapter;
 	th->clt.driver = &thermostat_driver;