diff options
Diffstat (limited to 'arch/loongarch/kvm/intc/pch_pic.c')
| -rw-r--r-- | arch/loongarch/kvm/intc/pch_pic.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/loongarch/kvm/intc/pch_pic.c b/arch/loongarch/kvm/intc/pch_pic.c index 6f00ffe05c54..119290bcea79 100644 --- a/arch/loongarch/kvm/intc/pch_pic.c +++ b/arch/loongarch/kvm/intc/pch_pic.c @@ -195,6 +195,11 @@ static int kvm_pch_pic_read(struct kvm_vcpu *vcpu, return -EINVAL; } + if (addr & (len - 1)) { + kvm_err("%s: pch pic not aligned addr %llx len %d\n", __func__, addr, len); + return -EINVAL; + } + /* statistics of pch pic reading */ vcpu->stat.pch_pic_read_exits++; ret = loongarch_pch_pic_read(s, addr, len, val); @@ -302,6 +307,11 @@ static int kvm_pch_pic_write(struct kvm_vcpu *vcpu, return -EINVAL; } + if (addr & (len - 1)) { + kvm_err("%s: pch pic not aligned addr %llx len %d\n", __func__, addr, len); + return -EINVAL; + } + /* statistics of pch pic writing */ vcpu->stat.pch_pic_write_exits++; ret = loongarch_pch_pic_write(s, addr, len, val); |