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authorJens Freimann <jfrei@linux.vnet.ibm.com>2015-01-15 13:40:34 (GMT)
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-01-23 12:25:42 (GMT)
commit94d1f564adb9937d71a9509d4e1b64f073ea07ab (patch)
tree444b949852b0715c70956310c994a2eaed0ed07f
parent428d53be5e7468769d4e7899cca06ed5f783a6e1 (diff)
downloadlinux-94d1f564adb9937d71a9509d4e1b64f073ea07ab.tar.xz
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: 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>
-rw-r--r--arch/s390/kvm/interrupt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 6d7513e..60d9edd0 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -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;