diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index d46022f72075..0584d17f33ba 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -535,23 +535,13 @@ void arch_unregister_cpu(int cpu) { acpi_handle acpi_handle = acpi_get_processor_handle(cpu); struct cpu *c = &per_cpu(cpu_devices, cpu); - acpi_status status; unsigned long long sta; - - if (!acpi_handle) { - pr_err_once("Removing a CPU without associated ACPI handle\n"); - return; - } + acpi_status status; status = acpi_evaluate_integer(acpi_handle, "_STA", NULL, &sta); - if (ACPI_FAILURE(status)) - return; - - /* For now do not allow anything that looks like physical CPU HP */ - if (cpu_present(cpu) && !(sta & ACPI_STA_DEVICE_PRESENT)) { + if (!ACPI_FAILURE(status) && + cpu_present(cpu) && !(sta & ACPI_STA_DEVICE_PRESENT)) pr_err_once("Changing CPU present bit is not supported\n"); - return; - } unregister_cpu(c); }