diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_events_filter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 703a416aa5c2..cf8460caa95c 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1992,7 +1992,8 @@ static bool is_or(struct prog_entry *prog, int i) static int ftrace_function_set_filter(struct perf_event *event, struct event_filter *filter) { - struct prog_entry *prog = filter->prog; + struct prog_entry *prog = rcu_dereference_protected(filter->prog, + lockdep_is_held(&event_mutex)); struct function_filter_data data = { .first_filter = 1, .first_notrace = 1, |