Index: sys/dev/pci/pci_iov.c
===================================================================
--- sys/dev/pci/pci_iov.c
+++ sys/dev/pci/pci_iov.c
@@ -726,12 +726,6 @@
 	first_rid = pci_get_rid(dev) + rid_off;
 	last_rid = first_rid + (num_vfs - 1) * rid_stride;
 
-	/* We don't yet support allocating extra bus numbers for VFs. */
-	if (pci_get_bus(dev) != PCI_RID2BUS(last_rid)) {
-		error = ENOSPC;
-		goto out;
-	}
-
 	iov_ctl = IOV_READ(dinfo, PCIR_SRIOV_CTL, 2);
 	iov_ctl &= ~(PCIM_SRIOV_VF_EN | PCIM_SRIOV_VF_MSE);
 	IOV_WRITE(dinfo, PCIR_SRIOV_CTL, iov_ctl, 2);