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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-05-19 15:20:49 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-05-19 15:20:49 +0200 |
| commit | 95b5c0a592c712496dce6c1ed772d5f9026b5ed3 (patch) | |
| tree | ef00485760be3388bafc2eed41da185fb8a4858a /arch/x86/events/intel/cstate.c | |
| parent | 985c78d3ff8e9c74450fa2bb08eb55e680d999ca (diff) | |
| parent | 78ce241099bb363b19dbd0245442e66c8de8f567 (diff) | |
Merge branch 'ras/urgent' into ras/core
Pick up urgent fix as pending patch depends on it.
Diffstat (limited to 'arch/x86/events/intel/cstate.c')
| -rw-r--r-- | arch/x86/events/intel/cstate.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index 9aca448bb8e6..9f8084f18d58 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -92,6 +92,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/perf_event.h> +#include <linux/nospec.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> #include "../perf_event.h" @@ -302,6 +303,7 @@ static int cstate_pmu_event_init(struct perf_event *event) } else if (event->pmu == &cstate_pkg_pmu) { if (cfg >= PERF_CSTATE_PKG_EVENT_MAX) return -EINVAL; + cfg = array_index_nospec((unsigned long)cfg, PERF_CSTATE_PKG_EVENT_MAX); if (!pkg_msr[cfg].attr) return -EINVAL; event->hw.event_base = pkg_msr[cfg].msr; |