linux-kernel - [PATCH 1/2] allow TP_printk() to have no args

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Message-Id: <2c9a74b51d467fcd1e19ffeca35d721bda158d2e.1244222378.git.jbaron@redhat.com>
Date:	Fri, 5 Jun 2009 14:08:04 -0400
From:	Jason Baron <jbaron@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	fweisbec@...il.com, mingo@...e.hu, laijs@...fujitsu.com,
	rostedt@...dmis.org, peterz@...radead.org,
	mathieu.desnoyers@...ymtl.ca, jiayingz@...gle.com,
	mbligh@...gle.com, roland@...hat.com, fche@...hat.com
Subject: [PATCH 1/2] allow TP_printk() to have no args

This patch allows TP_printk() to take no args. otherwise there is a stray
',' which causes a compile error.

Signed-off-by: Jason Baron <jbaron@...hat.com>

---
 include/trace/ftrace.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index edb02bc..d861e21 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -114,7 +114,7 @@
 #define __entry field
 
 #undef TP_printk
-#define TP_printk(fmt, args...) fmt "\n", args
+#define TP_printk(fmt, ...) fmt "\n", ##__VA_ARGS__
 
 #undef __get_str
 #define __get_str(field)	((char *)__entry + __entry->__str_loc_##field)
-- 
1.6.0.6

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