Re: [PATCH v3 3/6] hw/vfio/ccw: Use intermediate S390CCWDevice variable

[Eric Farman <farman@linux.ibm.com>]

On Mon, 2023-02-13 at 18:01 +0100, Philippe Mathieu-Daudé wrote:
> 'cdev' is VFIOCCWDevice's private parent object.
> Access it using the S390_CCW_DEVICE() QOM macro.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Eric Farman <farman@linux.ibm.com>

> ---
>  hw/vfio/ccw.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
> index 503de94ce1..2c20e3c202 100644
> --- a/hw/vfio/ccw.c
> +++ b/hw/vfio/ccw.c
> @@ -588,9 +588,10 @@ static void vfio_ccw_put_device(VFIOCCWDevice
> *vcdev)
>  static void vfio_ccw_get_device(VFIOGroup *group, VFIOCCWDevice
> *vcdev,
>                                  Error **errp)
>  {
> -    char *name = g_strdup_printf("%x.%x.%04x", vcdev-
> >cdev.hostid.cssid,
> -                                 vcdev->cdev.hostid.ssid,
> -                                 vcdev->cdev.hostid.devid);
> +    S390CCWDevice *cdev = S390_CCW_DEVICE(vcdev);
> +    char *name = g_strdup_printf("%x.%x.%04x", cdev->hostid.cssid,
> +                                 cdev->hostid.ssid,
> +                                 cdev->hostid.devid);
>      VFIODevice *vbasedev;
>  
>      QLIST_FOREACH(vbasedev, &group->device_list, next) {
> @@ -611,7 +612,7 @@ static void vfio_ccw_get_device(VFIOGroup *group,
> VFIOCCWDevice *vcdev,
>       */
>      vcdev->vdev.ram_block_discard_allowed = true;
>  
> -    if (vfio_get_device(group, vcdev->cdev.mdevid, &vcdev->vdev,
> errp)) {
> +    if (vfio_get_device(group, cdev->mdevid, &vcdev->vdev, errp)) {
>          goto out_err;
>      }
>