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| author | Linus Walleij <linus.walleij@linaro.org> | 2013-08-29 09:46:30 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-08-29 09:46:30 +0200 |
| commit | 6ad30ce046aefbdc3848232c665a728860d7bb68 (patch) | |
| tree | 34af8fc78b28281fcfe531a26401b440c078038e /arch/arm/kernel/perf_event.c | |
| parent | pinctrl: rockchip: Implement .request() and .free() callbacks (diff) | |
| parent | Linux 3.11-rc7 (diff) | |
| download | linux-6ad30ce046aefbdc3848232c665a728860d7bb68.tar.xz linux-6ad30ce046aefbdc3848232c665a728860d7bb68.zip | |
Merge tag 'v3.11-rc7' into devel
Merged in this to avoid conflicts with the big locking fixes
from upstream.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Conflicts:
drivers/pinctrl/pinctrl-sunxi.c
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
| -rw-r--r-- | arch/arm/kernel/perf_event.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index d9f5cd4e533f..e186ee1e63f6 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -53,7 +53,12 @@ armpmu_map_cache_event(const unsigned (*cache_map) static int armpmu_map_hw_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; } @@ -253,6 +258,9 @@ validate_event(struct pmu_hw_events *hw_events, struct arm_pmu *armpmu = to_arm_pmu(event->pmu); 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; |