Dynamically create the kset instead of declaring it statically. Having 3 static kobjects in one structure is not only foolish, but ripe for nasty race conditions if handled improperly. We also rename the field to catch any potential users of it (not that there should be outside of the driver core...)
Cc: Kay Sievers <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> --- drivers/base/bus.c | 19 ++++++++++--------- include/linux/device.h | 2 +- 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/drivers/base/bus.c b/drivers/base/bus.c index e3b1010..b23eeb2 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -449,7 +449,7 @@ int bus_add_device(struct device * dev) error = device_add_attrs(bus, dev); if (error) goto out_put; - error = sysfs_create_link(&bus->devices.kobj, + error = sysfs_create_link(&bus->devices_kset->kobj, &dev->kobj, dev->bus_id); if (error) goto out_id; @@ -466,7 +466,7 @@ int bus_add_device(struct device * dev) out_deprecated: sysfs_remove_link(&dev->kobj, "subsystem"); out_subsys: - sysfs_remove_link(&bus->devices.kobj, dev->bus_id); + sysfs_remove_link(&bus->devices_kset->kobj, dev->bus_id); out_id: device_remove_attrs(bus, dev); out_put: @@ -512,7 +512,7 @@ void bus_remove_device(struct device * dev) if (dev->bus) { sysfs_remove_link(&dev->kobj, "subsystem"); remove_deprecated_bus_links(dev); - sysfs_remove_link(&dev->bus->devices.kobj, dev->bus_id); + sysfs_remove_link(&dev->bus->devices_kset->kobj, dev->bus_id); device_remove_attrs(dev->bus, dev); if (dev->is_registered) { dev->is_registered = 0; @@ -862,11 +862,12 @@ int bus_register(struct bus_type * bus) if (retval) goto bus_uevent_fail; - kobject_set_name(&bus->devices.kobj, "devices"); - bus->devices.kobj.parent = &bus->subsys.kobj; - retval = kset_register(&bus->devices); - if (retval) + bus->devices_kset = kset_create_and_add("devices", NULL, + &bus->subsys.kobj); + if (!bus->devices_kset) { + retval = -ENOMEM; goto bus_devices_fail; + } kobject_set_name(&bus->drivers.kobj, "drivers"); bus->drivers.kobj.parent = &bus->subsys.kobj; @@ -894,7 +895,7 @@ bus_attrs_fail: bus_probe_files_fail: kset_unregister(&bus->drivers); bus_drivers_fail: - kset_unregister(&bus->devices); + kset_unregister(bus->devices_kset); bus_devices_fail: bus_remove_file(bus, &bus_attr_uevent); bus_uevent_fail: @@ -916,7 +917,7 @@ void bus_unregister(struct bus_type * bus) bus_remove_attrs(bus); remove_probe_files(bus); kset_unregister(&bus->drivers); - kset_unregister(&bus->devices); + kset_unregister(bus->devices_kset); bus_remove_file(bus, &bus_attr_uevent); subsystem_unregister(&bus->subsys); } diff --git a/include/linux/device.h b/include/linux/device.h index dbbbe89..82c2777 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -55,7 +55,7 @@ struct bus_type { struct kset subsys; struct kset drivers; - struct kset devices; + struct kset *devices_kset; struct klist klist_devices; struct klist klist_drivers; -- 1.5.3.8 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/