xen: xenbus_probe_frontend: mark expected switch fall-throughs

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 146562
Addresses-Coverity-ID: 146563
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index 19e45ce..07896f4 100644 (file)
--- a/drivers/xen/xenbus/xenbus_probe_frontend.c
+++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
@@ -379,10 +379,12 @@ 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 */
 
        case XenbusStateClosing:
                xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateClosed);
                xenbus_reset_wait_for_backend(be, XenbusStateClosed);
+               /* fall through */
 
        case XenbusStateClosed:
                xenbus_printf(XBT_NIL, fe, "state", "%d", XenbusStateInitialising);