vfio: Mark expected switch fall-throughs

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>

2 files changed, 2 insertions, 1 deletions

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 125b58eff936..7fe2748ba101 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -789,7 +789,7 @@ static long vfio_pci_ioctl(void *device_data,
                 case VFIO_PCI_ERR_IRQ_INDEX:
                         if (pci_is_pcie(vdev->pdev))
                                 break;
-                /* pass thru to return error */
+                /* fall through */
                 default:
                         return -EINVAL;
                 }
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 3e5b17710a4f..d9fd3188615d 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -1601,6 +1601,7 @@ static void *vfio_iommu_type1_open(unsigned long arg)
                 break;
         case VFIO_TYPE1_NESTING_IOMMU:
                 iommu->nesting = true;
+                /* fall through */
         case VFIO_TYPE1v2_IOMMU:
                 iommu->v2 = true;
                 break;