Re: [PATCH 6/8] vfio/mdev: Follow correct remove sequence

From: Maxim Levitsky
Date: Mon Mar 25 2019 - 07:58:10 EST


On Fri, 2019-03-22 at 18:20 -0500, Parav Pandit wrote:
> 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: 7b96953bc640 ("vfio: Mediated device Core driver")
> Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
> ---
> drivers/vfio/mdev/mdev_sysfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
> index ce5dd21..c782fa9 100644
> --- a/drivers/vfio/mdev/mdev_sysfs.c
> +++ b/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);
> }

I agree with that.

Reviewed-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>

Best regards,
Maxim Levitsky