When the platform-specific pmu->add function returns
an error, it may have also changed the event's state.
If so, do not override that new state.
Signed-off-by: Neil Leeder <nleeder@xxxxxxxxxxxxxx>
---
kernel/events/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index c0ded24..95c4cf3d3 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1952,7 +1952,8 @@ event_sched_in(struct perf_event *event,
perf_log_itrace_start(event);
if (event->pmu->add(event, PERF_EF_START)) {
- event->state = PERF_EVENT_STATE_INACTIVE;
+ if (event->state == PERF_EVENT_STATE_ACTIVE)
+ event->state = PERF_EVENT_STATE_INACTIVE;
event->oncpu = -1;
ret = -EAGAIN;
goto out;
--
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.
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