diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 0d2cdb8..97991ac 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -100,7 +100,8 @@
 	struct cpumask *pad_busy_cpus = to_cpumask(pad_busy_cpus_bits);
 	cpumask_var_t tmp;
 	int cpu;
-	unsigned long min_weight = -1, preferred_cpu;
+	unsigned long min_weight = -1;
+	unsigned long uninitialized_var(preferred_cpu);
 
 	if (!alloc_cpumask_var(&tmp, GFP_KERNEL))
 		return;