From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Darren Hart <dvhart@infradead.org>
Cc: linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] futex: Mark expected switch fall-throughs
Date: Thu, 16 Aug 2018 12:21:24 -0500 [thread overview]
Message-ID: <20180816172124.GA2407@embeddedor.com> (raw)
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
kernel/futex.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/futex.c b/kernel/futex.c
index 1f450e0..11fc3bb 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -3523,10 +3523,12 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
switch (cmd) {
case FUTEX_WAIT:
val3 = FUTEX_BITSET_MATCH_ANY;
+ /* fall through */
case FUTEX_WAIT_BITSET:
return futex_wait(uaddr, flags, val, timeout, val3);
case FUTEX_WAKE:
val3 = FUTEX_BITSET_MATCH_ANY;
+ /* fall through */
case FUTEX_WAKE_BITSET:
return futex_wake(uaddr, flags, val, val3);
case FUTEX_REQUEUE:
--
2.7.4
next reply other threads:[~2018-08-16 17:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-16 17:21 Gustavo A. R. Silva [this message]
2018-08-20 16:27 ` [tip:locking/urgent] " tip-bot for Gustavo A. R. Silva
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