diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index 2ed0a4ce62f02ebc77750fe11adec66e7e6f9f8e..f63e5ff0aca12ac5e386076772a6ea90f44a2e2d 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -62,8 +62,7 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
 /* Initialize _PDC data based on the CPU vendor */
 void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
 {
-	unsigned int cpu = pr->id;
-	struct cpuinfo_x86 *c = &cpu_data(cpu);
+	struct cpuinfo_x86 *c = &cpu_data(pr->id);
 
 	pr->pdc = NULL;
 	if (c->x86_vendor == X86_VENDOR_INTEL)