linux-kernel - [37/38] ftrace: Fix warning when CONFIG_FUNCTION

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Message-Id: <20111011165713.995057552@pistachio.kroah.org>
Date:	Tue, 11 Oct 2011 10:55:47 -0600
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [37/38] ftrace: Fix warning when CONFIG_FUNCTION_TRACER is not defined

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Steven Rostedt <srostedt@...hat.com>

commit 04da85b86188f224cc9b391b5bdd92a3ba20ffcf upstream.

The struct ftrace_hash was declared within CONFIG_FUNCTION_TRACER
but was referenced outside of it.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

---
 include/linux/ftrace.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -19,6 +19,8 @@
 
 #include <asm/ftrace.h>
 
+struct ftrace_hash;
+
 #ifdef CONFIG_FUNCTION_TRACER
 
 extern int ftrace_enabled;
@@ -29,8 +31,6 @@ ftrace_enable_sysctl(struct ctl_table *t
 
 typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip);
 
-struct ftrace_hash;
-
 enum {
 	FTRACE_OPS_FL_ENABLED		= 1 << 0,
 	FTRACE_OPS_FL_GLOBAL		= 1 << 1,


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