From b92be9f1ecd3c8b16e9bb22d55bb97b3d89f091a Mon Sep 17 00:00:00 2001 From: Mariusz Kozlowski Date: Wed, 14 Feb 2007 21:03:39 +0100 Subject: [PATCH] Driver: remove redundant kobject_unregister checks Here is a patch that removes all redundant kobject_unregister argument checks. Signed-off-by: Mariusz Kozlowski Signed-off-by: Greg Kroah-Hartman --- drivers/base/class.c | 3 +-- fs/partitions/check.c | 9 +++------ kernel/module.c | 7 ++----- 3 files changed, 6 insertions(+), 13 deletions(-) diff --git a/drivers/base/class.c b/drivers/base/class.c index 96def1ddba19..1417e5cd4c6f 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -163,8 +163,7 @@ int class_register(struct class * cls) void class_unregister(struct class * cls) { pr_debug("device class '%s': unregistering\n", cls->name); - if (cls->virtual_dir) - kobject_unregister(cls->virtual_dir); + kobject_unregister(cls->virtual_dir); remove_class_attrs(cls); subsystem_unregister(&cls->subsys); } diff --git a/fs/partitions/check.c b/fs/partitions/check.c index ac32a2e8540c..22d38ffc9ef0 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -358,8 +358,7 @@ void delete_partition(struct gendisk *disk, int part) p->ios[0] = p->ios[1] = 0; p->sectors[0] = p->sectors[1] = 0; sysfs_remove_link(&p->kobj, "subsystem"); - if (p->holder_dir) - kobject_unregister(p->holder_dir); + kobject_unregister(p->holder_dir); kobject_uevent(&p->kobj, KOBJ_REMOVE); kobject_del(&p->kobj); kobject_put(&p->kobj); @@ -603,10 +602,8 @@ void del_gendisk(struct gendisk *disk) disk->stamp = 0; kobject_uevent(&disk->kobj, KOBJ_REMOVE); - if (disk->holder_dir) - kobject_unregister(disk->holder_dir); - if (disk->slave_dir) - kobject_unregister(disk->slave_dir); + kobject_unregister(disk->holder_dir); + kobject_unregister(disk->slave_dir); if (disk->driverfs_dev) { char *disk_name = make_block_name(disk); sysfs_remove_link(&disk->kobj, "device"); diff --git a/kernel/module.c b/kernel/module.c index 225501f620ff..e06b77af23fd 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1180,11 +1180,8 @@ static void mod_kobject_remove(struct module *mod) { module_remove_modinfo_attrs(mod); module_param_sysfs_remove(mod); - if (mod->mkobj.drivers_dir) - kobject_unregister(mod->mkobj.drivers_dir); - if (mod->holders_dir) - kobject_unregister(mod->holders_dir); - + kobject_unregister(mod->mkobj.drivers_dir); + kobject_unregister(mod->holders_dir); kobject_unregister(&mod->mkobj.kobj); }