In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
                case VFIO_PCI_ERR_IRQ_INDEX:
                        if (pci_is_pcie(vdev->pdev))
                                break;
-               /* pass thru to return error */
+               /* fall through */
                default:
                        return -EINVAL;
                }
 
                break;
        case VFIO_TYPE1_NESTING_IOMMU:
                iommu->nesting = true;
+               /* fall through */
        case VFIO_TYPE1v2_IOMMU:
                iommu->v2 = true;
                break;