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Diffstat (limited to 'kernel/trace/trace_event_perf.c')
-rw-r--r--kernel/trace/trace_event_perf.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 78e27e3b52ac..e854f420e033 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -24,6 +24,12 @@ static int total_ref_count;
24static int perf_trace_event_perm(struct ftrace_event_call *tp_event, 24static int perf_trace_event_perm(struct ftrace_event_call *tp_event,
25 struct perf_event *p_event) 25 struct perf_event *p_event)
26{ 26{
27 if (tp_event->perf_perm) {
28 int ret = tp_event->perf_perm(tp_event, p_event);
29 if (ret)
30 return ret;
31 }
32
27 /* The ftrace function trace is allowed only for root. */ 33 /* The ftrace function trace is allowed only for root. */
28 if (ftrace_event_is_function(tp_event) && 34 if (ftrace_event_is_function(tp_event) &&
29 perf_paranoid_tracepoint_raw() && !capable(CAP_SYS_ADMIN)) 35 perf_paranoid_tracepoint_raw() && !capable(CAP_SYS_ADMIN))
@@ -173,7 +179,7 @@ static int perf_trace_event_init(struct ftrace_event_call *tp_event,
173int perf_trace_init(struct perf_event *p_event) 179int perf_trace_init(struct perf_event *p_event)
174{ 180{
175 struct ftrace_event_call *tp_event; 181 struct ftrace_event_call *tp_event;
176 int event_id = p_event->attr.config; 182 u64 event_id = p_event->attr.config;
177 int ret = -EINVAL; 183 int ret = -EINVAL;
178 184
179 mutex_lock(&event_mutex); 185 mutex_lock(&event_mutex);