linux-kernel - [patch] lockdep: forward declare struct trask

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Message-ID: <20070207112301.GA9212@osiris.boeblingen.de.ibm.com>
Date:	Wed, 7 Feb 2007 12:23:01 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [patch] lockdep: forward declare struct trask_struct

From: Heiko Carstens <heiko.carstens@...ibm.com>

3117df0453828bd045c16244e6f50e5714667a8a causes this:

In file included from arch/s390/kernel/early.c:13:
include/linux/lockdep.h:300: warning:
		"struct task_struct" declared inside parameter list
include/linux/lockdep.h:300:
		warning: its scope is only this definition or
		declaration, which is probably not what you want

Cc: Ingo Molnar <mingo@...e.hu>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
---
 include/linux/lockdep.h |    2 ++
 1 files changed, 2 insertions(+)

Index: linux-2.6/include/linux/lockdep.h
===================================================================
--- linux-2.6.orig/include/linux/lockdep.h
+++ linux-2.6/include/linux/lockdep.h
@@ -286,6 +286,8 @@ static inline void early_init_irq_lock_c
 }
 #endif
 
+struct task_struct;
+
 #ifdef CONFIG_TRACE_IRQFLAGS
 extern void early_boot_irqs_off(void);
 extern void early_boot_irqs_on(void);
-
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