Add the return value check for kvm_virtio_pci_vector_use_one(). Since the return value of function virtio_pci_set_vector() is void, we can do nothing here. So just add the error message here.
Signed-off-by: Cindy Lu <l...@redhat.com> --- hw/virtio/virtio-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 6b62165ef6..dc31a37ec0 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1455,7 +1455,9 @@ static void virtio_pci_set_vector(VirtIODevice *vdev, } /* If the new vector changed need to set it up. */ if (kvm_irqfd && new_vector != VIRTIO_NO_VECTOR) { - kvm_virtio_pci_vector_use_one(proxy, queue_no); + if (kvm_virtio_pci_vector_use_one(proxy, queue_no)) { + virtio_error(vdev, "fail to set the vector %d", new_vector); + } } } -- 2.45.0