[PATCH] tracing/events: protect __get_str()

[Frederic Weisbecker]

The __get_str() macro is used in a code part then its content should be
protected with parenthesis.

[ Impact: protect macro content ]

Reported-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
---
 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 353b7db..019cc5d 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -123,7 +123,7 @@
 #define TP_printk(fmt, args...) fmt "\n", args
 
 #undef __get_str
-#define __get_str(field)	(char *)__entry + __entry->__str_loc_##field
+#define __get_str(field)	((char *)__entry + __entry->__str_loc_##field)
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(call, proto, args, tstruct, assign, print)		\
-- 
1.6.2.3


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