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* [PATCH] vfio: Mark expected switch fall-throughs
@ 2018-07-09 22:53 Gustavo A. R. Silva
  2018-08-07 17:13 ` Alex Williamson
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2018-07-09 22:53 UTC (permalink / raw)
  To: Alex Williamson; +Cc: kvm, linux-kernel, Gustavo A. R. Silva

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>
---
 drivers/vfio/pci/vfio_pci.c     | 2 +-
 drivers/vfio/vfio_iommu_type1.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index b423a30..5afc7f7 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -785,7 +785,7 @@ 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 3e5b177..d9fd318 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;
-- 
2.7.4

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2018-07-09 22:53 [PATCH] vfio: Mark expected switch fall-throughs Gustavo A. R. Silva
2018-08-07 17:13 ` Alex Williamson

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