[Qemu-devel] [PATCH] virtio-rng: Fix crash with non-default backend

[Cole Robinson]

'default_backend' isn't always set, but 'rng' is, so use that.

$ ./x86_64-softmmu/qemu-system-x86_64 -object 
rng-random,id=rng0,filename=/dev/random -device virtio-rng-pci,rng=rng0
Segmentation fault (core dumped)

Regressed with virtio refactoring in 59ccd20a9ac719cff82180429458728f03ec612f

CC: address@hidden
Signed-off-by: Cole Robinson <address@hidden>
---
 hw/virtio/virtio-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 444b71a..b070b64 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1455,7 +1455,7 @@ static int virtio_rng_pci_init(VirtIOPCIProxy *vpci_dev)
     }
 
     object_property_set_link(OBJECT(vrng),
-                             OBJECT(vrng->vdev.conf.default_backend), "rng",
+                             OBJECT(vrng->vdev.conf.rng), "rng",
                              NULL);
 
     return 0;
-- 
1.8.2.1