ext4: release sysfs kobject when failing to enable quotas on mount

In addition, print the error returned from ext4_enable_quotas()

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Cc: stable@vger.kernel.org

1 files changed, 8 insertions, 4 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c014edd12648..3ac306064b28 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4009,7 +4009,7 @@ no_journal:
             !(sb->s_flags & MS_RDONLY)) {
                 err = ext4_enable_quotas(sb);
                 if (err)
-                        goto failed_mount7;
+                        goto failed_mount8;
         }
 #endif  /* CONFIG_QUOTA */
 
@@ -4036,6 +4036,10 @@ 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:
@@ -5006,9 +5010,9 @@ static int ext4_enable_quotas(struct super_block *sb)
                                                 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;
                         }
                 }