From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
To: Eric Van Hensbergen <ericvh@gmail.com>,
Ron Minnich <rminnich@sandia.gov>,
Latchesar Ionkov <lucho@ionkov.net>,
"David S. Miller" <davem@davemloft.net>
Cc: v9fs-developer@lists.sourceforge.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <garsilva@embeddedor.com>
Subject: [PATCH] xen/9pfs: mark expected switch fall-through in xen_9pfs_front_changed
Date: Sun, 15 Oct 2017 13:08:40 -0500 [thread overview]
Message-ID: <20171015180840.GA7305@embeddedor.com> (raw)
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Notice that in this particular case, I placed the "fall through" comment
on its own line, which is what GCC is expecting to find.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
This code was tested by compilation only (GCC 7.2.0 was used).
net/9p/trans_xen.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 6ad3e04..7ec5df9 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -510,7 +510,8 @@ static void xen_9pfs_front_changed(struct xenbus_device *dev,
case XenbusStateClosed:
if (dev->state == XenbusStateClosed)
break;
- /* Missed the backend's CLOSING state -- fallthrough */
+ /* Missed the backend's CLOSING state */
+ /* fall through */
case XenbusStateClosing:
xenbus_frontend_closed(dev);
break;
--
2.7.4
reply other threads:[~2017-10-15 18:08 UTC|newest]
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