null-out-kobject-during-sysfs-cleanup

   1 ext4: null out kobject* during sysfs cleanup
   2
   3 From: Tyson Nottingham <tgnottingham@gmail.com>
   4
   5 Make cleanup of ext4_feat kobject consistent with similar objects.
   6
   7 Signed-off-by: Tyson Nottingham <tgnottingham@gmail.com>
   8 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
   9 ---
  10  fs/ext4/sysfs.c | 2 ++
  11  1 file changed, 2 insertions(+)
  12
  13 diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
  14 index 1205261..aa8165e 100644
  15 --- a/fs/ext4/sysfs.c
  16 +++ b/fs/ext4/sysfs.c
  17 @@ -464,6 +464,7 @@ int __init ext4_init_sysfs(void)
  18
  19  feat_err:
  20         kobject_put(ext4_feat);
  21 +       ext4_feat = NULL;
  22  kset_err:
  23         kset_unregister(ext4_kset);
  24         ext4_kset = NULL;
  25 @@ -473,6 +474,7 @@ int __init ext4_init_sysfs(void)
  26  void ext4_exit_sysfs(void)
  27  {
  28         kobject_put(ext4_feat);
  29 +       ext4_feat = NULL;
  30         kset_unregister(ext4_kset);
  31         ext4_kset = NULL;
  32         remove_proc_entry(proc_dirname, NULL);
  33 --
  34 2.7.4
  35
  36