[tip:core/urgent] lockdep: Fix up warning

[tip-bot for Peter Zijlstra <a.p.zijlstra@chello.nl>]

Commit-ID:  70a0686a72c7a7e554b404ca11406ceec709d425
Gitweb:     http://git.kernel.org/tip/70a0686a72c7a7e554b404ca11406ceec709d425
Author:     Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Mon, 25 Jul 2011 12:09:59 +0200
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Thu, 4 Aug 2011 10:17:41 +0200

lockdep: Fix up warning

On Sun, 2011-07-24 at 21:06 -0400, Arnaud Lacombe wrote:

> /src/linux/linux/kernel/lockdep.c: In function 'mark_held_locks':
> /src/linux/linux/kernel/lockdep.c:2471:31: warning: comparison of
> distinct pointer types lacks a cast

The warning is harmless in this case, but the below makes it go away.

Reported-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1311588599.2617.56.camel@laptop
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/lockdep.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 74ca247..5903586 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2468,7 +2468,7 @@ mark_held_locks(struct task_struct *curr, enum mark_type mark)
 
 		BUG_ON(usage_bit >= LOCK_USAGE_STATES);
 
-		if (hlock_class(hlock)->key == &__lockdep_no_validate__)
+		if (hlock_class(hlock)->key == __lockdep_no_validate__.subkeys)
 			continue;
 
 		if (!mark_lock(curr, hlock, usage_bit))