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KVM: s390: fix bug in interrupt parameter check

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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: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann 2015-01-15 14:40:34 +01:00 committed by Christian Borntraeger
parent 428d53be5e
commit 94d1f564ad
1 changed files with 2 additions and 2 deletions
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4
arch/s390/kvm/interrupt.c
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@ -1354,12 +1354,12 @@ int s390int_to_s390irq(struct kvm_s390_interrupt *s390int,
irq->u.stop.flags = s390int->parm;
break;
case KVM_S390_INT_EXTERNAL_CALL:
if (irq->u.extcall.code & 0xffff0000)
if (s390int->parm & 0xffff0000)
return -EINVAL;
irq->u.extcall.code = s390int->parm;
break;
case KVM_S390_INT_EMERGENCY:
if (irq->u.emerg.code & 0xffff0000)
if (s390int->parm & 0xffff0000)
return -EINVAL;
irq->u.emerg.code = s390int->parm;
break;