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| author | Zhenzhong Duan <zhenzhong.duan@intel.com> | 2023-07-03 15:15:06 +0800 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2023-07-10 09:52:52 +0200 |
| commit | adee0da0368f50b3ee934cdeeb6076466dabb268 (patch) | |
| tree | 21f05127fabdb8fde2f70ce8831313099e21bd43 /hw/vfio | |
| parent | 0ddcb39c93571da4fdcc39fc770500d2d275376d (diff) | |
| download | qemu-adee0da0368f50b3ee934cdeeb6076466dabb268.zip qemu-adee0da0368f50b3ee934cdeeb6076466dabb268.tar.gz qemu-adee0da0368f50b3ee934cdeeb6076466dabb268.tar.bz2 | |
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: c5478fea27ac ("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>
Diffstat (limited to 'hw/vfio')
| -rw-r--r-- | hw/vfio/pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index ab6645b..31c4ab2 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3220,6 +3220,9 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) return; out_deregister: + if (vdev->interrupt == VFIO_INT_INTx) { + vfio_intx_disable(vdev); + } pci_device_set_intx_routing_notifier(&vdev->pdev, NULL); if (vdev->irqchip_change_notifier.notify) { kvm_irqchip_remove_change_notifier(&vdev->irqchip_change_notifier); |