3.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Asai Thambi S P <asamymuthupa@xxxxxxxxxx>
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 <asamymuthupa@xxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/block/mtip32xx/mtip32xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -4992,13 +4992,13 @@ 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");
--
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