tracing/events: protect __get_str()
The __get_str() macro is used in a code part then its content should be
protected with parenthesis.
[ Impact: make macro definition more robust ]
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 5a7d18c..a77f71a 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) \