提交 94d1f564 编写于 作者: J Jens Freimann 提交者: Christian Borntraeger

KVM: s390: fix bug in interrupt parameter check

When we convert interrupt data from struct kvm_s390_interrupt to
struct kvm_s390_irq we need to check the data in the input parameter
not the output parameter.
Acked-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NJens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
上级 428d53be
...@@ -1354,12 +1354,12 @@ int s390int_to_s390irq(struct kvm_s390_interrupt *s390int, ...@@ -1354,12 +1354,12 @@ int s390int_to_s390irq(struct kvm_s390_interrupt *s390int,
irq->u.stop.flags = s390int->parm; irq->u.stop.flags = s390int->parm;
break; break;
case KVM_S390_INT_EXTERNAL_CALL: case KVM_S390_INT_EXTERNAL_CALL:
if (irq->u.extcall.code & 0xffff0000) if (s390int->parm & 0xffff0000)
return -EINVAL; return -EINVAL;
irq->u.extcall.code = s390int->parm; irq->u.extcall.code = s390int->parm;
break; break;
case KVM_S390_INT_EMERGENCY: case KVM_S390_INT_EMERGENCY:
if (irq->u.emerg.code & 0xffff0000) if (s390int->parm & 0xffff0000)
return -EINVAL; return -EINVAL;
irq->u.emerg.code = s390int->parm; irq->u.emerg.code = s390int->parm;
break; break;
......
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