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vfio/pci: Disable INTx in vfio_realize error path
When vfio realize fails, INTx isn't disabled if it has been enabled. This may confuse host side with unhandled interrupt report. Fixes:c5478fea27
("vfio/pci: Respond to KVM irqchip change notifier") Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Joao Martins <joao.m.martins@oracle.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com> (cherry picked from commitadee0da036
) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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1 changed files with 3 additions and 0 deletions
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@ -3160,6 +3160,9 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
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return;
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out_deregister:
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if (vdev->interrupt == VFIO_INT_INTx) {
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vfio_intx_disable(vdev);
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}
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pci_device_set_intx_routing_notifier(&vdev->pdev, NULL);
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if (vdev->irqchip_change_notifier.notify) {
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kvm_irqchip_remove_change_notifier(&vdev->irqchip_change_notifier);
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