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authorPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
committerPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
commite6fb5c32f78f99682821f91b3959e222c93e4cb9 (patch)
tree3f6c281a7d83a6e3c0a153f93718f7cd9a39b6f7 /drivers/perf/arm_pmu.c
parent585dc27c53b6c1a32a7e11b724e91d7297388a13 (diff)
parentb7007e1d615b8d4b71c28ebf790c5164fc4491d5 (diff)
Merge remote-tracking branch 'gh-fslc/5.4-2.3.x-imx' into toradex_5.4-2.3.x-imx
Diffstat (limited to 'drivers/perf/arm_pmu.c')
-rw-r--r--drivers/perf/arm_pmu.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index df352b334ea7..b377872a8f9d 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -322,6 +322,9 @@ validate_group(struct perf_event *event)
if (!validate_event(event->pmu, &fake_pmu, leader))
return -EINVAL;
+ if (event == leader)
+ return 0;
+
for_each_sibling_event(sibling, leader) {
if (!validate_event(event->pmu, &fake_pmu, sibling))
return -EINVAL;
@@ -411,12 +414,7 @@ __hw_perf_event_init(struct perf_event *event)
local64_set(&hwc->period_left, hwc->sample_period);
}
- if (event->group_leader != event) {
- if (validate_group(event) != 0)
- return -EINVAL;
- }
-
- return 0;
+ return validate_group(event);
}
static int armpmu_event_init(struct perf_event *event)