In function kvm_virtio_pci_vector_use_one(), the function will only use
the irqfd/vector for itself. Therefore, in the undo label, the failing
process is incorrect.
To fix this, we can just remove this label.
Fixes: f9a09ca3ea ("vhost: add support for configure interrupt")
Cc: qemu-stable@nongnu.org
Signed-off-by: Cindy Lu <lulu@redhat.com>
---
hw/virtio/virtio-pci.c | 18 ++----------------
1 file changed, 2 insertions(+), 16 deletions(-)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index b1d02f4b3d..8a9d0f6ef5 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -892,7 +892,7 @@ static int kvm_virtio_pci_vector_use_one(VirtIOPCIProxy *proxy, int queue_no)
}
ret = kvm_virtio_pci_vq_vector_use(proxy, vector);
if (ret < 0) {
- goto undo;
+ return ret;
}
/*
* If guest supports masking, set up irqfd now.
@@ -902,25 +902,11 @@ static int kvm_virtio_pci_vector_use_one(VirtIOPCIProxy *proxy, int queue_no)
ret = kvm_virtio_pci_irqfd_use(proxy, n, vector);
if (ret < 0) {
kvm_virtio_pci_vq_vector_release(proxy, vector);
- goto undo;
+ return ret;
}
}
return 0;
-undo:
-
- vector = virtio_queue_vector(vdev, queue_no);
- if (vector >= msix_nr_vectors_allocated(dev)) {
- return ret;
- }
- if (vdev->use_guest_notifier_mask && k->guest_notifier_mask) {
- ret = virtio_pci_get_notifier(proxy, queue_no, &n, &vector);
- if (ret < 0) {
- return ret;
- }
- kvm_virtio_pci_irqfd_release(proxy, n, vector);
- }
- return ret;
}
static int kvm_virtio_pci_vector_vq_use(VirtIOPCIProxy *proxy, int nvqs)
{
--
2.43.0