diff options
author | Mark Brown <broonie@linaro.org> | 2013-08-29 18:40:30 +0100 |
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committer | Mark Brown <broonie@linaro.org> | 2013-08-29 18:40:30 +0100 |
commit | 72bce45fdecab65936f1e466c5c5107e48f8251e (patch) | |
tree | e5009748ab6136465c812860b7913d06098ed520 /arch/arm64/kernel/perf_event.c | |
parent | 0d0c6fddf052ca1e5324297420ed587a95b7be82 (diff) | |
parent | 965abff8d8accdffc4af1b11fcf580e83031330a (diff) |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-android-13.08
Diffstat (limited to 'arch/arm64/kernel/perf_event.c')
-rw-r--r-- | arch/arm64/kernel/perf_event.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 9ba33c40cdf8..12e6ccb88691 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -107,7 +107,12 @@ armpmu_map_cache_event(const unsigned (*cache_map) static int armpmu_map_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config) { - int mapping = (*event_map)[config]; + int mapping; + + if (config >= PERF_COUNT_HW_MAX) + return -EINVAL; + + mapping = (*event_map)[config]; return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping; } @@ -317,6 +322,9 @@ validate_event(struct pmu_hw_events *hw_events, struct hw_perf_event fake_event = event->hw; struct pmu *leader_pmu = event->group_leader->pmu; + if (is_software_event(event)) + return 1; + if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF) return 1; |