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| author | Olof Johansson <olof@lixom.net> | 2013-08-29 19:12:04 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-08-29 19:12:04 -0700 |
| commit | 2bbc31ef2b398d17016c6438016cc76913990950 (patch) | |
| tree | 10de572013948341054d73acfab0f6d77ae35cbd /arch/arm/kernel/perf_event.c | |
| parent | a3e008d1b5e39abe81e233bde623604841ff9a73 (diff) | |
| parent | af0721966195b3966214edd54af0d5f84d65419a (diff) | |
| download | op-kernel-dev-2bbc31ef2b398d17016c6438016cc76913990950.zip op-kernel-dev-2bbc31ef2b398d17016c6438016cc76913990950.tar.gz | |
Merge tag 'omap-for-v3.12/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren:
Omap fixes for the merge window that are not urgent enough
for the -rc series.
* tag 'omap-for-v3.12/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2: use 'int' instead of 'unsigned' for variable 'gpmc_irq_start'
ARM: OMAP2: remove useless variable 'ret'
ARM: OMAP: dma: fix error return code in omap_system_dma_probe()
ARM: OMAP2+: fix wrong address when loading PRM_FRAC_INCREMENTOR_DENUMERATOR_RELOAD
ARM: OMAP2+: am33xx-restart: trigger warm reset on omap2+ boards
ARM: OMAP2: Use a consistent AM33XX SoC option description
ARM: OMAP2+: Remove legacy device creation for McPDM and DMIC
+ Linux 3.11-rc6
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 d9f5cd4..e186ee1 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; |
