linux-kernel - [ 50/77] ext4: release sysfs kobject when failing to enable quotas on mount

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Date:	Fri,  1 Mar 2013 11:44:35 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, "Theodore Tso" <tytso@....edu>,
	Carlos Maiolino <cmaiolino@...hat.com>
Subject: [ 50/77] ext4: release sysfs kobject when failing to enable quotas on mount

3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Theodore Ts'o <tytso@....edu>

commit 72ba74508b2857e71d65fc93f0d6b684492fc740 upstream.

In addition, print the error returned from ext4_enable_quotas()

Signed-off-by: "Theodore Ts'o" <tytso@....edu>
Reviewed-by: Carlos Maiolino <cmaiolino@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/ext4/super.c |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4008,7 +4008,7 @@ no_journal:
 	    !(sb->s_flags & MS_RDONLY)) {
 		err = ext4_enable_quotas(sb);
 		if (err)
-			goto failed_mount7;
+			goto failed_mount8;
 	}
 #endif  /* CONFIG_QUOTA */
 
@@ -4035,6 +4035,10 @@ cantfind_ext4:
 		ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem");
 	goto failed_mount;
 
+#ifdef CONFIG_QUOTA
+failed_mount8:
+	kobject_del(&sbi->s_kobj);
+#endif
 failed_mount7:
 	ext4_unregister_li_request(sb);
 failed_mount6:
@@ -5005,9 +5009,9 @@ static int ext4_enable_quotas(struct sup
 						DQUOT_USAGE_ENABLED);
 			if (err) {
 				ext4_warning(sb,
-					"Failed to enable quota (type=%d) "
-					"tracking. Please run e2fsck to fix.",
-					type);
+					"Failed to enable quota tracking "
+					"(type=%d, err=%d). Please run "
+					"e2fsck to fix.", type, err);
 				return err;
 			}
 		}


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