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Diffstat (limited to 'arch/loongarch/kvm/intc/pch_pic.c')
-rw-r--r--arch/loongarch/kvm/intc/pch_pic.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/loongarch/kvm/intc/pch_pic.c b/arch/loongarch/kvm/intc/pch_pic.c
index 08fce845f668..119290bcea79 100644
--- a/arch/loongarch/kvm/intc/pch_pic.c
+++ b/arch/loongarch/kvm/intc/pch_pic.c
@@ -195,8 +195,13 @@ 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->kvm->stat.pch_pic_read_exits++;
+ vcpu->stat.pch_pic_read_exits++;
ret = loongarch_pch_pic_read(s, addr, len, val);
return ret;
@@ -302,8 +307,13 @@ 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->kvm->stat.pch_pic_write_exits++;
+ vcpu->stat.pch_pic_write_exits++;
ret = loongarch_pch_pic_write(s, addr, len, val);
return ret;