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[PULL,for-2.4,2/2] s390/virtio-ccw: Fix migration

Message ID 1436894763-8042-3-git-send-email-cornelia.huck@de.ibm.com
State New
Headers show

Commit Message

Cornelia Huck July 14, 2015, 5:26 p.m. UTC 
From: Christian Borntraeger <borntraeger@de.ibm.com>

commit 213941d73b ("virtio-ccw: migrate ->revision") broke
migration:
2015-07-07T11:22:55.570968Z qemu-system-s390x: VQ 39 address 0x0 inconsistent with Host index 0x100
2015-07-07T11:22:55.571008Z qemu-system-s390x: error while loading state for instance 0x0 of

If thinint support is active, the config_load function returns early.
Make sure to load the revision all the time.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Fixes: 213941d73b ("virtio-ccw: migrate ->revision")
Message-Id: <1436269643-66303-1-git-send-email-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---
 hw/s390x/virtio-ccw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index e345a6e..d36373e 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1508,12 +1508,12 @@  static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f)
     qemu_get_be16s(f, &vdev->config_vector);
     dev->routes.adapter.ind_offset = qemu_get_be64(f);
     dev->thinint_isc = qemu_get_byte(f);
+    dev->revision = qemu_get_be32(f);
     if (s->thinint_active) {
         return css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
                                        dev->thinint_isc, true, false,
                                        &dev->routes.adapter.adapter_id);
     }
-    dev->revision = qemu_get_be32(f);
 
     return 0;
 }