From: Asai Thambi S P <asamymuthupa@micron.com> Date: Thu, 17 Apr 2014 03:30:16 +0000 (-0700) Subject: mtip32xx: Remove dfs_parent after pci unregister X-Git-Tag: firefly_0821_release~176^2~3465^2~50^2~49 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=af5ded8ccf21627f9614afc03b356712666ed225;p=firefly-linux-kernel-4.4.55.git mtip32xx: Remove dfs_parent after pci unregister 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@micron.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@fb.com> --- diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 51628eb6f445..27641bc83962 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4939,13 +4939,13 @@ 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");