[RFC PATCH v3 07/78] hw/virtio/virtio-balloon.c: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
---
 hw/virtio/virtio-balloon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index d004cf29d2..0f0d94bd94 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -673,6 +673,7 @@ virtio_balloon_free_page_hint_notify(NotifierWithReturn *n, 
void *data)
          * Set S_DONE before migrating the vmstate, so the guest will reuse
          * all hinted pages once running on the destination. Fall through.
          */
+        fallthrough;
     case PRECOPY_NOTIFY_CLEANUP:
         /*
          * Especially, if something goes wrong during precopy or if migration
-- 
2.39.2