linux-kernel - [PATCH] xen: xenbus_probe_frontend: mark expected switch fall-throughs

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Message-ID: <20171102184107.GA2579@embeddedor.com>
Date:   Thu, 2 Nov 2017 13:41:07 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>
Cc:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] 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@...eddedor.com>
---
 drivers/xen/xenbus/xenbus_probe_frontend.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index 19e45ce..07896f4 100644
--- 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);
-- 
2.7.4