tracing/events: put TP_fast_assign into braces

Currently TP_fast_assign has a limitation that we can't define local
variables in it.

Here's one use case when we introduce __dynamic_array():

TP_fast_assign(
	type *p = __get_dynamic_array(item);

	foo(p);
	bar(p);
),

[ Impact: allow defining local variables in TP_fast_assign ]

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A2384B1.90100@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Li Zefan 2009-06-01 15:35:13 +08:00 committed by Steven Rostedt
parent 6e25db44a7
commit a9c1c3abe1

View file

@ -471,7 +471,7 @@ static void ftrace_raw_event_##call(proto) \
return; \
entry = ring_buffer_event_data(event); \
\
assign; \
{ assign; } \
\
if (!filter_current_check_discard(event_call, entry, event)) \
trace_nowake_buffer_unlock_commit(event, irq_flags, pc); \