diff options
Diffstat (limited to 'arch/loongarch/kvm/vcpu.c')
| -rw-r--r-- | arch/loongarch/kvm/vcpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c index e28084c49e68..7f7f2b71f03a 100644 --- a/arch/loongarch/kvm/vcpu.c +++ b/arch/loongarch/kvm/vcpu.c @@ -1108,7 +1108,8 @@ static int kvm_loongarch_cpucfg_get_attr(struct kvm_vcpu *vcpu, return -ENXIO; } - put_user(val, uaddr); + if (put_user(val, uaddr)) + return -EFAULT; return ret; } @@ -1312,7 +1313,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) fpu->fcc = vcpu->arch.fpu.fcc; fpu->fcsr = vcpu->arch.fpu.fcsr; for (i = 0; i < NUM_FPU_REGS; i++) - memcpy(&fpu->fpr[i], &vcpu->arch.fpu.fpr[i], FPU_REG_WIDTH / 64); + memcpy(&fpu->fpr[i], &vcpu->arch.fpu.fpr[i], sizeof(union fpureg)); return 0; } @@ -1324,7 +1325,7 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) vcpu->arch.fpu.fcc = fpu->fcc; vcpu->arch.fpu.fcsr = fpu->fcsr; for (i = 0; i < NUM_FPU_REGS; i++) - memcpy(&vcpu->arch.fpu.fpr[i], &fpu->fpr[i], FPU_REG_WIDTH / 64); + memcpy(&vcpu->arch.fpu.fpr[i], &fpu->fpr[i], sizeof(union fpureg)); return 0; } @@ -1487,6 +1488,10 @@ void kvm_lose_fpu(struct kvm_vcpu *vcpu) int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) { int intr = (int)irq->irq; + unsigned int vector = abs(intr); + + if (vector >= EXCCODE_INT_NUM) + return -EINVAL; if (intr > 0) kvm_queue_irq(vcpu, intr); |