Commit 3936161f authored by Herongguang (Stephen)'s avatar Herongguang (Stephen) Committed by Michael S. Tsirkin
Browse files

pci: deassert intx when pci device unrealize 



If a pci device is not reset by VM (by writing into config space)
and unplugged by VM, after that when VM reboots, qemu may assert:
pcibus_reset: Assertion `bus->irq_count[i] == 0' failed

Cc: qemu-stable@nongnu.org
Signed-off-by: default avatarherongguang <herongguang.he@huawei.com>
Reviewed-by: default avatarMarcel Apfelbaum <marcel@redhat.com>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 66453cff

hw/pci/pci.c

+1 −0
Original line number Diff line number Diff line
@@ -1083,6 +1083,7 @@ static void pci_qdev_unrealize(DeviceState *dev, Error **errp) 
        pc->exit(pci_dev);

    }



    pci_device_deassert_intx(pci_dev);

    do_pci_unregister_device(pci_dev);

}