[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-2021-04-11

   # HEAD: 6d48b7912cc72275dc7c59ff961c8bac7ef66a92 lockdep: Address clang 
-Wformat warning printing for %hd

Two minor fixes: one for a Clang warning, the other improves an
ambiguous/confusing kernel log message.

 Thanks,

        Ingo

------------------>
Arnd Bergmann (1):
      lockdep: Address clang -Wformat warning printing for %hd

Tetsuo Handa (1):
      lockdep: Add a missing initialization hint to the "INFO: Trying to 
register non-static key" message


 kernel/locking/lockdep.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index c6d0c1dc6253..f160f1c97ca1 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -705,7 +705,7 @@ static void print_lock_name(struct lock_class *class)
 
        printk(KERN_CONT " (");
        __print_lock_name(class);
-       printk(KERN_CONT "){%s}-{%hd:%hd}", usage,
+       printk(KERN_CONT "){%s}-{%d:%d}", usage,
                        class->wait_type_outer ?: class->wait_type_inner,
                        class->wait_type_inner);
 }
@@ -930,7 +930,8 @@ static bool assign_lock_key(struct lockdep_map *lock)
                /* Debug-check: all keys must be persistent! */
                debug_locks_off();
                pr_err("INFO: trying to register non-static key.\n");
-               pr_err("the code is fine but needs lockdep annotation.\n");
+               pr_err("The code is fine but needs lockdep annotation, or 
maybe\n");
+               pr_err("you didn't initialize this object before use?\n");
                pr_err("turning off the locking correctness validator.\n");
                dump_stack();
                return false;