drm/udl: Store active framebuffer in device structure

[linux.git] / drivers / acpi / processor_perflib.c

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 2261713d1aec08ffe2f006ff8fd69c165b32a6de..930a49fa4dfc5aec8d2847f3d5802ab2eb0956a1 100644 (file)
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -162,21 +162,23 @@ void acpi_processor_ppc_init(int cpu)
        struct acpi_processor *pr = per_cpu(processors, cpu);
        int ret;
 
+       if (!pr)
+               return;
+
        ret = dev_pm_qos_add_request(get_cpu_device(cpu),
                                     &pr->perflib_req, DEV_PM_QOS_MAX_FREQUENCY,
                                     INT_MAX);
-       if (ret < 0) {
+       if (ret < 0)
                pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu,
                       ret);
-               return;
-       }
 }
 
 void acpi_processor_ppc_exit(int cpu)
 {
        struct acpi_processor *pr = per_cpu(processors, cpu);
 
-       dev_pm_qos_remove_request(&pr->perflib_req);
+       if (pr)
+               dev_pm_qos_remove_request(&pr->perflib_req);
 }
 
 static int acpi_processor_get_performance_control(struct acpi_processor *pr)