[PATCH 04/12] kvm: qemu: device-assignment: unregister device if assignment fails

[Mark McLoughlin <markmc@redhat.com>]

Fixes a segfault in assigned_dev_update_irq() if assigning a device
previously failed.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
---
 qemu/hw/device-assignment.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
index 8fbd66c..b5cf6ee 100644
--- a/qemu/hw/device-assignment.c
+++ b/qemu/hw/device-assignment.c
@@ -550,8 +550,11 @@ struct PCIDevice *init_assigned_device(AssignedDevInfo *adev, PCIBus *bus)
     }
 
     adev->assigned_dev = dev;
-  out:
     return &dev->dev;
+
+out:
+    pci_unregister_device(&dev->dev);
+    return NULL;
 }
 
 /*
-- 
1.5.4.3