[GIT pull] locking updates for 4.19

[Thomas Gleixner]

Linus,

please pull the latest locking-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-for-linus

Mark the switch cases which fall through to the next case with the proper
comment so the fallthrough compiler checks can be enabled.

Thanks,

	tglx

------------------>
Gustavo A. R. Silva (1):
      futex: Mark expected switch fall-throughs


 kernel/futex.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/futex.c b/kernel/futex.c
index 1f450e092c74..11fc3bb456d6 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: