linux-ext4 - [PATCH 1/3] ext4: null out kobject* during sysfs cleanup

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Message-Id: <220173615bb10731afbb948b7ef6a5841a575c28.1520292208.git.tgnottingham@gmail.com>
Date:   Mon,  5 Mar 2018 16:04:32 -0800
From:   Tyson Nottingham <tgnottingham@...il.com>
To:     linux-ext4@...r.kernel.org
Cc:     tytso@....edu, adilger.kernel@...ger.ca, sirmy15@...il.com,
        Tyson Nottingham <tgnottingham@...il.com>
Subject: [PATCH 1/3] ext4: null out kobject* during sysfs cleanup

Make cleanup of ext4_feat kobject consistent with similar objects.

Signed-off-by: Tyson Nottingham <tgnottingham@...il.com>
---
 fs/ext4/sysfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index 1205261..aa8165e 100644
--- 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 @@ int __init ext4_init_sysfs(void)
 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);
-- 
2.7.4