diff options
Diffstat (limited to 'lib/sbi/sbi_pmu.c')
| -rw-r--r-- | lib/sbi/sbi_pmu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c index a0f6d2fa..4558876e 100644 --- a/lib/sbi/sbi_pmu.c +++ b/lib/sbi/sbi_pmu.c @@ -1098,6 +1098,9 @@ int sbi_pmu_event_get_info(unsigned long shmem_phys_lo, unsigned long shmem_phys einfo = (struct sbi_pmu_event_info *)(shmem_phys_lo); for (i = 0; i < num_events; i++) { event_idx = einfo[i].event_idx; + /* Any must-be-zero event_idx bits set should return INVALID_PARAM per-spec */ + if (event_idx & SBI_PMU_EVENT_IDX_MBZ_MASK) + return SBI_ERR_INVALID_PARAM; event_type = pmu_event_validate(phs, event_idx, einfo[i].event_data); if (event_type < 0) { einfo[i].output = 0; |