[PATCH] Btrfs: Check if kobject is initialized before put

[Anand Jain]

Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
 fs/btrfs/sysfs.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index ea81a05..603b0cc 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -523,9 +523,11 @@ static void __btrfs_sysfs_remove_fsid(struct 
btrfs_fs_devices *fs_devs)
                fs_devs->device_dir_kobj = NULL;
        }
 
-       kobject_del(&fs_devs->super_kobj);
-       kobject_put(&fs_devs->super_kobj);
-       wait_for_completion(&fs_devs->kobj_unregister);
+       if (fs_devs->super_kobj.state_initialized) {
+               kobject_del(&fs_devs->super_kobj);
+               kobject_put(&fs_devs->super_kobj);
+               wait_for_completion(&fs_devs->kobj_unregister);
+       }
 }
 
 /* when fs_devs is NULL it will remove all fsid kobject */
-- 
2.4.1

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