diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/ksysfs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c index d3b31e6b1c2f..9772c74464f8 100644 --- a/kernel/ksysfs.c +++ b/kernel/ksysfs.c @@ -22,17 +22,20 @@ static struct subsys_attribute _name##_attr = __ATTR_RO(_name) static struct subsys_attribute _name##_attr = \ __ATTR(_name, 0644, _name##_show, _name##_store) +#ifdef CONFIG_HOTPLUG static ssize_t hotplug_seqnum_show(struct subsystem *subsys, char *page) { return sprintf(page, "%llu\n", hotplug_seqnum); } KERNEL_ATTR_RO(hotplug_seqnum); - +#endif static decl_subsys(kernel, NULL, NULL); static struct attribute * kernel_attrs[] = { +#ifdef CONFIG_HOTPLUG &hotplug_seqnum_attr.attr, +#endif NULL }; @@ -44,7 +47,8 @@ static int __init ksysfs_init(void) { int error = subsystem_register(&kernel_subsys); if (!error) - error = sysfs_create_group(&kernel_subsys.kset.kobj, &kernel_attr_group); + error = sysfs_create_group(&kernel_subsys.kset.kobj, + &kernel_attr_group); return error; } |