diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index a651ab3..a303fd0 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -343,8 +343,9 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
 
 	pr->performance->state_count = pss->package.count;
 	pr->performance->states =
-	    kmalloc(sizeof(struct acpi_processor_px) * pss->package.count,
-		    GFP_KERNEL);
+	    kmalloc_array(pss->package.count,
+			  sizeof(struct acpi_processor_px),
+			  GFP_KERNEL);
 	if (!pr->performance->states) {
 		result = -ENOMEM;
 		goto end;