[PATCH -next 020/491] XEN HYPERVISOR INTERFACE: Use fallthrough;

From: Joe Perches <joe@perches.com>
To: "Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Juergen Gross" <jgross@suse.com>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>,
	"Jens Axboe" <axboe@kernel.dk>,
	"David S. Miller" <davem@davemloft.net>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: xen-devel@lists.xenproject.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: [PATCH -next 020/491] XEN HYPERVISOR INTERFACE: Use fallthrough;
Date: Tue, 10 Mar 2020 21:51:34 -0700	[thread overview]
Message-ID: <93cb221f897e6d5d37539d9a8dcf8be7797bd401.1583896348.git.joe@perches.com> (raw)
In-Reply-To: <cover.1583896344.git.joe@perches.com>

Convert the various uses of fallthrough comments to fallthrough;

Done via script
Link: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe.com/

Signed-off-by: Joe Perches <joe@perches.com>
---
 drivers/block/xen-blkfront.c               | 5 ++---
 drivers/net/xen-netfront.c                 | 2 +-
 drivers/pci/xen-pcifront.c                 | 2 +-
 drivers/scsi/xen-scsifront.c               | 2 +-
 drivers/xen/pvcalls-front.c                | 2 +-
 drivers/xen/xen-acpi-memhotplug.c          | 2 +-
 drivers/xen/xen-pciback/xenbus.c           | 2 +-
 drivers/xen/xen-scsiback.c                 | 2 +-
 drivers/xen/xenbus/xenbus_probe_frontend.c | 6 ++----
 9 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 9df516..fb07ee1 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1402,7 +1402,6 @@ static enum blk_req_status blkif_rsp_to_req_status(int rsp)
 	case BLKIF_RSP_EOPNOTSUPP:
 		return REQ_EOPNOTSUPP;
 	case BLKIF_RSP_ERROR:
-		/* Fallthrough. */
 	default:
 		return REQ_ERROR;
 	}
@@ -1642,7 +1641,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id)
 				info->feature_flush = 0;
 				xlvbd_flush(info);
 			}
-			/* fall through */
+			fallthrough;
 		case BLKIF_OP_READ:
 		case BLKIF_OP_WRITE:
 			if (unlikely(bret->status != BLKIF_RSP_OKAY))
@@ -2480,7 +2479,7 @@ static void blkback_changed(struct xenbus_device *dev,
 	case XenbusStateClosed:
 		if (dev->state == XenbusStateClosed)
 			break;
-		/* fall through */
+		fallthrough;
 	case XenbusStateClosing:
 		if (info)
 			blkfront_closing(info);
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 482c6c..2001606 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -2038,7 +2038,7 @@ static void netback_changed(struct xenbus_device *dev,
 	case XenbusStateClosed:
 		if (dev->state == XenbusStateClosed)
 			break;
-		/* Fall through - Missed the backend's CLOSING state. */
+		fallthrough;	/* Missed the backend's CLOSING state */
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index d1b16c..093ab8 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -1103,7 +1103,7 @@ static void __ref pcifront_backend_changed(struct xenbus_device *xdev,
 	case XenbusStateClosed:
 		if (xdev->state == XenbusStateClosed)
 			break;
-		/* fall through - Missed the backend's CLOSING state. */
+		fallthrough;	/* Missed the backend's CLOSING state */
 	case XenbusStateClosing:
 		dev_warn(&xdev->dev, "backend going away!\n");
 		pcifront_try_disconnect(pdev);
diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c
index f0068e..259fc248 100644
--- a/drivers/scsi/xen-scsifront.c
+++ b/drivers/scsi/xen-scsifront.c
@@ -1111,7 +1111,7 @@ static void scsifront_backend_changed(struct xenbus_device *dev,
 	case XenbusStateClosed:
 		if (dev->state == XenbusStateClosed)
 			break;
-		/* fall through - Missed the backend's Closing state */
+		fallthrough;	/* Missed the backend's Closing state */
 	case XenbusStateClosing:
 		scsifront_disconnect(info);
 		break;
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 57592a6..0fccf0 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -1260,7 +1260,7 @@ static void pvcalls_front_changed(struct xenbus_device *dev,
 		if (dev->state == XenbusStateClosed)
 			break;
 		/* Missed the backend's CLOSING state */
-		/* fall through */
+		fallthrough;
 	case XenbusStateClosing:
 		xenbus_frontend_closed(dev);
 		break;
diff --git a/drivers/xen/xen-acpi-memhotplug.c b/drivers/xen/xen-acpi-memhotplug.c
index 745721..f914b72 100644
--- a/drivers/xen/xen-acpi-memhotplug.c
+++ b/drivers/xen/xen-acpi-memhotplug.c
@@ -229,7 +229,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
 	case ACPI_NOTIFY_BUS_CHECK:
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 			"\nReceived BUS CHECK notification for device\n"));
-		/* Fall Through */
+		fallthrough;
 	case ACPI_NOTIFY_DEVICE_CHECK:
 		if (event == ACPI_NOTIFY_DEVICE_CHECK)
 			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 833b2d..a108740 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -544,7 +544,7 @@ static void xen_pcibk_frontend_changed(struct xenbus_device *xdev,
 		xenbus_switch_state(xdev, XenbusStateClosed);
 		if (xenbus_dev_is_online(xdev))
 			break;
-		/* fall through - if not online */
+		fallthrough;	/* if not online */
 	case XenbusStateUnknown:
 		dev_dbg(&xdev->dev, "frontend is gone! unregister device\n");
 		device_unregister(&xdev->dev);
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index ba0942e..9daef2 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -1184,7 +1184,7 @@ static void scsiback_frontend_changed(struct xenbus_device *dev,
 		xenbus_switch_state(dev, XenbusStateClosed);
 		if (xenbus_dev_is_online(dev))
 			break;
-		/* fall through - if not online */
+		fallthrough;	/* if not online */
 	case XenbusStateUnknown:
 		device_unregister(&dev->dev);
 		break;
diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index 8a1650..708917 100644
--- a/drivers/xen/xenbus/xenbus_probe_frontend.c
+++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
@@ -402,13 +402,11 @@ static void xenbus_reset_frontend(char *fe, char *be, int be_state)
 	case XenbusStateConnected:
 		xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosing);
 		xenbus_reset_wait_for_backend(be, XenbusStateClosing);
-		/* fall through */
-
+		fallthrough;
 	case XenbusStateClosing:
 		xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosed);
 		xenbus_reset_wait_for_backend(be, XenbusStateClosed);
-		/* fall through */
-
+		fallthrough;
 	case XenbusStateClosed:
 		xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateInitialising);
 		xenbus_reset_wait_for_backend(be, XenbusStateInitWait);
-- 
2.24.0

