linux-kernel - Re: [PATCHv1 5/7] vfio/mdev: Follow correct remove sequence

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Date:   Mon, 1 Apr 2019 19:24:42 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Parav Pandit <parav@...lanox.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        kwankhede@...dia.com, alex.williamson@...hat.com, cjia@...dia.com
Subject: Re: [PATCHv1 5/7] vfio/mdev: Follow correct remove sequence

On Tue, 26 Mar 2019 22:45:43 -0500
Parav Pandit <parav@...lanox.com> 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: 6a62c1dfb5c7 ("vfio/mdev: Re-order sysfs attribute creation")
> Reviewed-by: Maxim Levitsky <mlevitsk@...hat.com>
> Signed-off-by: Parav Pandit <parav@...lanox.com>
> ---
>  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 5193a0e..cbf94b8 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);
>  }

Reviewed-by: Cornelia Huck <cohuck@...hat.com>