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Commit f90fc547 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

Btrfs: Check if kobject is initialized before put 



Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Tested-by: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
parent 24199d20

fs/btrfs/sysfs.c

+5 −3
Original line number Original line Diff line number Diff line
@@ -523,10 +523,12 @@ static void __btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs) 
		fs_devs->device_dir_kobj = NULL;

		fs_devs->device_dir_kobj = NULL;

	}

	}





	if (fs_devs->super_kobj.state_initialized) {

		kobject_del(&fs_devs->super_kobj);

		kobject_del(&fs_devs->super_kobj);

		kobject_put(&fs_devs->super_kobj);

		kobject_put(&fs_devs->super_kobj);

		wait_for_completion(&fs_devs->kobj_unregister);

		wait_for_completion(&fs_devs->kobj_unregister);

	}

	}

}





/* when fs_devs is NULL it will remove all fsid kobject */

/* when fs_devs is NULL it will remove all fsid kobject */

void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)

void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)