diff options
Diffstat (limited to 'arch/riscv/kvm/vcpu_pmu.c')
| -rw-r--r-- | arch/riscv/kvm/vcpu_pmu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/riscv/kvm/vcpu_pmu.c b/arch/riscv/kvm/vcpu_pmu.c index e1409ec9afc0..04db1f993c47 100644 --- a/arch/riscv/kvm/vcpu_pmu.c +++ b/arch/riscv/kvm/vcpu_pmu.c @@ -235,6 +235,11 @@ static int pmu_ctr_read(struct kvm_vcpu *vcpu, unsigned long cidx, u64 enabled, running; int fevent_code; + if (cidx >= kvm_pmu_num_counters(kvpmu) || cidx == 1) { + pr_warn("Invalid counter id [%ld] during read\n", cidx); + return -EINVAL; + } + pmc = &kvpmu->pmc[cidx]; if (pmc->cinfo.type == SBI_PMU_CTR_TYPE_FW) { @@ -747,7 +752,7 @@ int kvm_riscv_vcpu_pmu_fw_ctr_read_hi(struct kvm_vcpu *vcpu, unsigned long cidx, return 0; } -int kvm_riscv_vcpu_pmu_ctr_read(struct kvm_vcpu *vcpu, unsigned long cidx, +int kvm_riscv_vcpu_pmu_fw_ctr_read(struct kvm_vcpu *vcpu, unsigned long cidx, struct kvm_vcpu_sbi_return *retdata) { int ret; |