If the program can execute up to this point, indicating that kvm_vcpu_write_guest() returns 0, and the actual value of SBI_SUCCESS is also 0. At this time, ret does not need to be assigned a value of 0. Fixes: e309fd113b9f ("RISC-V: KVM: Implement get event info function") Signed-off-by: Qiang Ma --- arch/riscv/kvm/vcpu_pmu.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/riscv/kvm/vcpu_pmu.c b/arch/riscv/kvm/vcpu_pmu.c index a2fae70ee174..4d8d5e9aa53d 100644 --- a/arch/riscv/kvm/vcpu_pmu.c +++ b/arch/riscv/kvm/vcpu_pmu.c @@ -494,12 +494,9 @@ int kvm_riscv_vcpu_pmu_event_info(struct kvm_vcpu *vcpu, unsigned long saddr_low } ret = kvm_vcpu_write_guest(vcpu, shmem, einfo, shmem_size); - if (ret) { + if (ret) ret = SBI_ERR_INVALID_ADDRESS; - goto free_mem; - } - ret = 0; free_mem: kfree(einfo); out: -- 2.20.1