[Xen-devel] [PATCH 11/12] xen-blkback: Avoid that gcc 7 warns about fall-through when building with W=1

[Bart Van Assche <bart.vanassche@xxxxxxx>]

Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Roger Pau Monn303251 <roger.pau@xxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
---
 drivers/block/xen-blkback/blkback.c | 1 +
 drivers/block/xen-blkback/xenbus.c  | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/block/xen-blkback/blkback.c 
b/drivers/block/xen-blkback/blkback.c
index 68157a84bf4d..5f3a813e7ae0 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -1251,6 +1251,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring 
*ring,
                break;
        case BLKIF_OP_WRITE_BARRIER:
                drain = true;
+               /* fall through */
        case BLKIF_OP_FLUSH_DISKCACHE:
                ring->st_f_req++;
                operation = REQ_OP_WRITE;
diff --git a/drivers/block/xen-blkback/xenbus.c 
b/drivers/block/xen-blkback/xenbus.c
index 792da683e70d..88eaea6475d7 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -810,7 +810,8 @@ static void frontend_changed(struct xenbus_device *dev,
                xenbus_switch_state(dev, XenbusStateClosed);
                if (xenbus_dev_is_online(dev))
                        break;
-               /* fall through if not online */
+               /* fall through */
+               /* if not online */
        case XenbusStateUnknown:
                /* implies xen_blkif_disconnect() via xen_blkbk_remove() */
                device_unregister(&dev->dev);
-- 
2.14.0


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