vserver 1.9.5.x5
[linux-2.6.git] / drivers / base / power / resume.c
index 1d830be..f8f5055 100644 (file)
@@ -31,16 +31,22 @@ int resume_device(struct device * dev)
 
 void dpm_resume(void)
 {
+       down(&dpm_list_sem);
        while(!list_empty(&dpm_off)) {
                struct list_head * entry = dpm_off.next;
                struct device * dev = to_device(entry);
+
+               get_device(dev);
                list_del_init(entry);
+               list_add_tail(entry, &dpm_active);
 
+               up(&dpm_list_sem);
                if (!dev->power.prev_state)
                        resume_device(dev);
-
-               list_add_tail(entry, &dpm_active);
+               down(&dpm_list_sem);
+               put_device(dev);
        }
+       up(&dpm_list_sem);
 }
 
 
@@ -58,7 +64,7 @@ void device_resume(void)
        up(&dpm_sem);
 }
 
-EXPORT_SYMBOL(device_resume);
+EXPORT_SYMBOL_GPL(device_resume);
 
 
 /**
@@ -76,9 +82,13 @@ void dpm_power_up(void)
 {
        while(!list_empty(&dpm_off_irq)) {
                struct list_head * entry = dpm_off_irq.next;
+               struct device * dev = to_device(entry);
+
+               get_device(dev);
                list_del_init(entry);
-               resume_device(to_device(entry));
                list_add_tail(entry, &dpm_active);
+               resume_device(dev);
+               put_device(dev);
        }
 }
 
@@ -97,6 +107,6 @@ void device_power_up(void)
        dpm_power_up();
 }
 
-EXPORT_SYMBOL(device_power_up);
+EXPORT_SYMBOL_GPL(device_power_up);