diff options
| -rw-r--r-- | drivers/acpi/processor_idle.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index ee5759bef94..80ffc782991 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -332,16 +332,18 @@ static void acpi_processor_idle(void) int sleep_ticks = 0; u32 t1, t2 = 0; - pr = processors[smp_processor_id()]; - if (!pr) - return; - /* * Interrupts must be disabled during bus mastering calculations and * for C2/C3 transitions. */ local_irq_disable(); + pr = processors[smp_processor_id()]; + if (!pr) { + local_irq_enable(); + return; + } + /* * Check whether we truly need to go idle, or should * reschedule: |