[PATCH v2, RESEND 02/10] f2fs: convert to kobject_del_and_put()

[Yangtao Li <frank.li@vivo.com>]

Use kobject_del_and_put() to simplify code.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 fs/f2fs/sysfs.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 9ddc6ee19433..b455afc12cfc 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -1478,14 +1478,11 @@ void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
 		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
 	}
 
-	kobject_del(&sbi->s_stat_kobj);
-	kobject_put(&sbi->s_stat_kobj);
+	kobject_del_and_put(&sbi->s_stat_kobj);
 	wait_for_completion(&sbi->s_stat_kobj_unregister);
-	kobject_del(&sbi->s_feature_list_kobj);
-	kobject_put(&sbi->s_feature_list_kobj);
+	kobject_del_and_put(&sbi->s_feature_list_kobj);
 	wait_for_completion(&sbi->s_feature_list_kobj_unregister);
 
-	kobject_del(&sbi->s_kobj);
-	kobject_put(&sbi->s_kobj);
+	kobject_del_and_put(&sbi->s_kobj);
 	wait_for_completion(&sbi->s_kobj_unregister);
 }
-- 
2.35.1