fix console change race exposed by CFS

[pandora-kernel.git] / drivers / acpi / processor_perflib.c

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index c4efc0c..463b024 100644 (file)
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -539,7 +539,7 @@ end:
 }
 
 int acpi_processor_preregister_performance(
-               struct acpi_processor_performance **performance)
+               struct acpi_processor_performance *performance)
 {
        int count, count_target;
        int retval = 0;
@@ -567,12 +567,12 @@ int acpi_processor_preregister_performance(
                        continue;
                }
 
-               if (!performance || !performance[i]) {
+               if (!performance || !percpu_ptr(performance, i)) {
                        retval = -EINVAL;
                        continue;
                }
 
-               pr->performance = performance[i];
+               pr->performance = percpu_ptr(performance, i);
                cpu_set(i, pr->performance->shared_cpu_map);
                if (acpi_processor_get_psd(pr)) {
                        retval = -EINVAL;