linux-kernel - [PATCH] ftrace.h: TP_fast_assign

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Date:	Wed, 09 Sep 2009 09:48:53 -0700
From:	Joe Perches <joe@...ches.com>
To:	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] ftrace.h: TP_fast_assign - use do {} while (0);

Perhaps this is a more kernel style standard way to allow
local variables in TP_fast_assign.

http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=commitdiff;h=a9c1c3abe1160a5632e48c929b02b740556bf423

Signed-off-by: Joe Perches <joe@...ches.com>

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index f64fbaa..4c99bdc 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -142,7 +142,7 @@
 #define TP_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
 
 #undef TP_fast_assign
-#define TP_fast_assign(args...) args
+#define TP_fast_assign(args...) do { args } while (0);
 
 #undef TP_perf_assign
 #define TP_perf_assign(args...)


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