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

From: Joe Perches
Date: Wed Mar 11 2020 - 01:07:32 EST


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@xxxxxxxxxxx>
---
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