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

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

'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>
---
 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;
     }
 
-- 
2.38.1