diff options
Diffstat (limited to 'lib/sbi/sbi_pmu.c')
| -rw-r--r-- | lib/sbi/sbi_pmu.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c index 16f915b..5d31f58 100644 --- a/lib/sbi/sbi_pmu.c +++ b/lib/sbi/sbi_pmu.c @@ -156,13 +156,13 @@ static int pmu_ctr_validate(uint32_t cidx, uint32_t *event_idx_code) uint32_t event_idx_type; u32 hartid = current_hartid(); - event_idx_val = active_events[hartid][cidx]; - - if (cidx >= total_ctrs || (event_idx_val == SBI_PMU_EVENT_IDX_INVALID)) + if (cidx >= total_ctrs) return SBI_EINVAL; + event_idx_val = active_events[hartid][cidx]; event_idx_type = get_cidx_type(event_idx_val); - if (event_idx_type >= SBI_PMU_EVENT_TYPE_MAX) + if (event_idx_val == SBI_PMU_EVENT_IDX_INVALID || + event_idx_type >= SBI_PMU_EVENT_TYPE_MAX) return SBI_EINVAL; *event_idx_code = get_cidx_code(event_idx_val); |