From: Mathieu Malaterre <malat@debian.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: Mathieu Malaterre <malat@debian.org>,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] blkcg: annotate implicit fall through
Date: Mon, 14 Jan 2019 21:31:13 +0100 [thread overview]
Message-ID: <20190114203113.16832-1-malat@debian.org> (raw)
There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warning (W=1).
This commit remove the following warning:
kernel/trace/blktrace.c:725:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
Signed-off-by: Mathieu Malaterre <malat@debian.org>
---
kernel/trace/blktrace.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index fac0ddf8a8e2..e1c6d79fb4cc 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -723,6 +723,7 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
#endif
case BLKTRACESTART:
start = 1;
+ /* fall through */
case BLKTRACESTOP:
ret = __blk_trace_startstop(q, start);
break;
--
2.19.2
next reply other threads:[~2019-01-14 20:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-14 20:31 Mathieu Malaterre [this message]
2019-03-13 20:26 ` [PATCH] blkcg: annotate implicit fall through Mathieu Malaterre
2019-03-13 20:31 ` Jens Axboe
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