ext4: null out kobject* during sysfs cleanup

Make cleanup of ext4_feat kobject consistent with similar objects.

Signed-off-by: Tyson Nottingham <tgnottingham@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index 1205261f130cbfa8ae82632399aa7beb73e4cc6a..aa8165e7c44b3192053d2d38f089bf665a3620ca 100644 (file)
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -464,6 +464,7 @@ int __init ext4_init_sysfs(void)
 
 feat_err:
        kobject_put(ext4_feat);
+       ext4_feat = NULL;
 kset_err:
        kset_unregister(ext4_kset);
        ext4_kset = NULL;
@@ -473,6 +474,7 @@ kset_err:
 void ext4_exit_sysfs(void)
 {
        kobject_put(ext4_feat);
+       ext4_feat = NULL;
        kset_unregister(ext4_kset);
        ext4_kset = NULL;
        remove_proc_entry(proc_dirname, NULL);