[GIT PULL] locking fixes

[Ingo Molnar]

Linus,

Please pull the latest locking/urgent git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-2020-08-15

   # HEAD: 405fa8ac89e7aaa87282df659e525992f2639e76 futex: Convert to use the preferred 'fallthrough' macro

A documentation fix and a 'fallthrough' macro update.

 Thanks,

	Ingo

------------------>
Huang Shijie (1):
      Documentation/locking/locktypes: Fix a typo

Miaohe Lin (1):
      futex: Convert to use the preferred 'fallthrough' macro


 Documentation/locking/locktypes.rst | 2 +-
 kernel/futex.c                      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/locking/locktypes.rst b/Documentation/locking/locktypes.rst
index 1b577a8bf982..4cefed8048ca 100644
--- a/Documentation/locking/locktypes.rst
+++ b/Documentation/locking/locktypes.rst
@@ -10,7 +10,7 @@ Introduction
 ============
 
 The kernel provides a variety of locking primitives which can be divided
-into two categories:
+into three categories:
 
  - Sleeping locks
  - CPU local locks
diff --git a/kernel/futex.c b/kernel/futex.c
index 61e8153e6c76..a5876694a60e 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -3744,12 +3744,12 @@ 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 */
+		fallthrough;
 	case FUTEX_WAIT_BITSET:
 		return futex_wait(uaddr, flags, val, timeout, val3);
 	case FUTEX_WAKE:
 		val3 = FUTEX_BITSET_MATCH_ANY;
-		/* fall through */
+		fallthrough;
 	case FUTEX_WAKE_BITSET:
 		return futex_wake(uaddr, flags, val, val3);
 	case FUTEX_REQUEUE: