vfio/mdev: Follow correct remove sequence

[ Upstream commit a6d6f4f1 ]

mdev_remove_sysfs_files() should follow exact mirror sequence of a
create, similar to what is followed in error unwinding path of
mdev_create_sysfs_files().

Fixes: 6a62c1df ("vfio/mdev: Re-order sysfs attribute creation")
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/vfio/mdev/mdev_sysfs.c

@@ -280,7 +280,7 @@ int  mdev_create_sysfs_files(struct device *dev, struct mdev_type *type)
 
 void mdev_remove_sysfs_files(struct device *dev, struct mdev_type *type)
 {
+	sysfs_remove_files(&dev->kobj, mdev_device_attrs);
 	sysfs_remove_link(&dev->kobj, "mdev_type");
 	sysfs_remove_link(type->devices_kobj, dev_name(dev));
-	sysfs_remove_files(&dev->kobj, mdev_device_attrs);
 }