tracing: Fix rcu handling of event_trigger_data filter field

The filter field of the event_trigger_data structure is protected under
RCU sched locks. It was not annotated as such, and after doing so,
sparse pointed out several locations that required fix ups.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Tested-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 0380cab0af9b..02b592f2d4b7 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1057,7 +1057,7 @@ struct event_trigger_data {
         int                             ref;
         struct event_trigger_ops        *ops;
         struct event_command            *cmd_ops;
-        struct event_filter             *filter;
+        struct event_filter __rcu       *filter;
         char                            *filter_str;
         void                            *private_data;
         struct list_head                list;