Message ID | 20231113110740.38270-4-thuth@redhat.com |
---|---|
State | New |
Headers | show |
Series | [PULL,01/12] host/include/generic/host/atomic128: Fix compilation problem with Clang 17 | expand |
diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index e28573b593..7dbbc76823 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -136,7 +136,7 @@ static void s390_pci_read_base(S390PCIBusDevice *pbdev, * to the guest based upon the vfio DMA limit. */ vfio_size = pbdev->iommu->max_dma_limit << TARGET_PAGE_BITS; - if (vfio_size < (cap->end_dma - cap->start_dma + 1)) { + if (vfio_size > 0 && vfio_size < cap->end_dma - cap->start_dma + 1) { pbdev->zpci_fn.edma = cap->start_dma + vfio_size - 1; } }