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

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

From: Asai Thambi S P <[email protected]>

commit af5ded8ccf21627f9614afc03b356712666ed225 upstream.

In module exit, dfs_parent and it's subtree were removed before
unregistering with pci. When debugfs entry for each device is attempted
to remove in pci_remove() context, they don't exist, as dfs_parent and
its children were already ripped apart.

Modified to first unregister with pci and then remove dfs_parent.

Signed-off-by: Asai Thambi S P <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/block/mtip32xx/mtip32xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/mtip32xx/mtip32xx.c 
b/drivers/block/mtip32xx/mtip32xx.c
index 6a748ff..f01adbc 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4282,13 +4282,13 @@ static int __init mtip_init(void)
  */
 static void __exit mtip_exit(void)
 {
-       debugfs_remove_recursive(dfs_parent);
-
        /* Release the allocated major block device number. */
        unregister_blkdev(mtip_major, MTIP_DRV_NAME);
 
        /* Unregister the PCI driver. */
        pci_unregister_driver(&mtip_pci_driver);
+
+       debugfs_remove_recursive(dfs_parent);
 }
 
 MODULE_AUTHOR("Micron Technology, Inc");
-- 
1.9.1

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