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futex: Mark expected switch fall-throughs 

In preparation of enabling -Wimplicit-fallthrough, mark switch cases which
fall through.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <dvhart@infradead.org>
Link: https://lkml.kernel.org/r/20180816172124.GA2407@embeddedor.com
hifive-unleashed-5.1
Gustavo A. R. Silva 2018-08-16 12:21:24 -05:00 committed by Thomas Gleixner
parent f19f5c49bb
commit b639186ffe
1 changed files with 2 additions and 0 deletions
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kernel/futex.c
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@ -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: