Re: [PATCH 3/8] vfio/mdev: Removed unused kref

[Kirti Wankhede]

On 3/23/2019 4:50 AM, Parav Pandit wrote:
> Remove unused kref from the mdev_device structure.
> 
> Fixes: 7b96953bc640 ("vfio: Mediated device Core driver")
> Signed-off-by: Parav Pandit <pa...@mellanox.com>
> ---
>  drivers/vfio/mdev/mdev_core.c    | 1 -
>  drivers/vfio/mdev/mdev_private.h | 1 -
>  2 files changed, 2 deletions(-)
> 
> diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c
> index 4f213e4d..3d91f62 100644
> --- a/drivers/vfio/mdev/mdev_core.c
> +++ b/drivers/vfio/mdev/mdev_core.c
> @@ -311,7 +311,6 @@ int mdev_device_create(struct kobject *kobj, struct 
> device *dev, uuid_le uuid)
>       mutex_unlock(&mdev_list_lock);
>  
>       mdev->parent = parent;
> -     kref_init(&mdev->ref);
>  
>       mdev->dev.parent  = dev;
>       mdev->dev.bus     = &mdev_bus_type;
> diff --git a/drivers/vfio/mdev/mdev_private.h 
> b/drivers/vfio/mdev/mdev_private.h
> index b5819b7..84b2b6c 100644
> --- a/drivers/vfio/mdev/mdev_private.h
> +++ b/drivers/vfio/mdev/mdev_private.h
> @@ -30,7 +30,6 @@ struct mdev_device {
>       struct mdev_parent *parent;
>       uuid_le uuid;
>       void *driver_data;
> -     struct kref ref;
>       struct list_head next;
>       struct kobject *type_kobj;
>       bool active;
> 

Yes, this should be removed.

Reviewed By: Kirti Wankhede <kwankh...@nvidia.com>

Thanks,
Kirti