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[PATCH v4 3/5] vfio/pci: Disable INTx in vfio_realize error path
From: |
Zhenzhong Duan |
Subject: |
[PATCH v4 3/5] vfio/pci: Disable INTx in vfio_realize error path |
Date: |
Thu, 29 Jun 2023 16:40:40 +0800 |
When vfio realize fails, INTx isn't disabled if it has been enabled.
This may confuse host side with unhandled interrupt report.
Add a new label to be used for vfio_intx_enable() failed case.
Fixes: a9994687cb9b ("vfio/display: core & wireup")
Fixes: b290659fc3dd ("hw/vfio/display: add ramfb support")
Fixes: c62a0c7ce34e ("vfio/display: add xres + yres properties")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
hw/vfio/pci.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index ab6645ba60af..54a8179d1c64 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3167,7 +3167,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
kvm_irqchip_add_change_notifier(&vdev->irqchip_change_notifier);
ret = vfio_intx_enable(vdev, errp);
if (ret) {
- goto out_deregister;
+ goto out_intx_disable;
}
}
@@ -3220,6 +3220,8 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
return;
out_deregister:
+ vfio_disable_interrupts(vdev);
+out_intx_disable:
pci_device_set_intx_routing_notifier(&vdev->pdev, NULL);
if (vdev->irqchip_change_notifier.notify) {
kvm_irqchip_remove_change_notifier(&vdev->irqchip_change_notifier);
--
2.34.1
[PATCH v4 4/5] vfio/pci: Free resources when vfio_migration_realize fails, Zhenzhong Duan, 2023/06/29
[PATCH v4 5/5] vfio/migration: Refactor and fix print of "Migration disabled", Zhenzhong Duan, 2023/06/29