linux-kernel - [tip:locking/urgent] tools/liblockdep: Correct macro for WARN

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Date:	Tue, 25 Aug 2015 00:48:55 -0700
From:	tip-bot for Sasha Levin <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, linux-kernel@...r.kernel.org,
	sasha.levin@...cle.com, hpa@...or.com,
	torvalds@...ux-foundation.org, peterz@...radead.org,
	mingo@...nel.org
Subject: [tip:locking/urgent] tools/liblockdep: Correct macro for WARN

Commit-ID:  62b989de598c486df65a14dfd9bb4a9953c75568
Gitweb:     http://git.kernel.org/tip/62b989de598c486df65a14dfd9bb4a9953c75568
Author:     Sasha Levin <sasha.levin@...cle.com>
AuthorDate: Tue, 25 Aug 2015 01:19:44 -0400
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 25 Aug 2015 09:44:22 +0200

tools/liblockdep: Correct macro for WARN

As Peter Zijlstra pointed out, the varargs for WARN() are
optional, so we need to correctly handle the case where they
don't exist.

This would cause a compilation error.

Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1440479985-6696-2-git-send-email-sasha.levin@oracle.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 tools/lib/lockdep/uinclude/linux/kernel.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
index cd2cc59..276c7a8 100644
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ b/tools/lib/lockdep/uinclude/linux/kernel.h
@@ -23,7 +23,7 @@
 #define WARN_ON(x) (x)
 #define WARN_ON_ONCE(x) (x)
 #define likely(x) (x)
-#define WARN(x, y, z) (x)
+#define WARN(x, y...) (x)
 #define uninitialized_var(x) x
 #define __init
 #define noinline
--
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