Anand Jain 4d435731f9 Btrfc: sysfs: fix, check if device_dir_kobj is init before destroy
Since the failure code in the btrfs_sysfs_add_one() can
call btrfs_sysfs_remove_one() even before device_dir_kobj
has been created we need to check if its null.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
2015-05-27 12:27:19 +02:00
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