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KVM: s390: fix in memory copy of facility lists 

The facility lists were not fully copied.

Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Michael Mueller 2015-02-26 12:12:40 +01:00 committed by Christian Borntraeger
parent 86044c8c14
commit 94422ee880
1 changed files with 2 additions and 2 deletions
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4
arch/s390/kvm/kvm-s390.c
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@ -579,7 +579,7 @@ static int kvm_s390_get_machine(struct kvm *kvm, struct kvm_device_attr *attr)
memcpy(&mach->fac_mask, kvm_s390_fac_list_mask, memcpy(&mach->fac_mask, kvm_s390_fac_list_mask,
kvm_s390_fac_list_mask_size() * sizeof(u64)); kvm_s390_fac_list_mask_size() * sizeof(u64));
memcpy((unsigned long *)&mach->fac_list, S390_lowcore.stfle_fac_list, memcpy((unsigned long *)&mach->fac_list, S390_lowcore.stfle_fac_list,
S390_ARCH_FAC_LIST_SIZE_U64); S390_ARCH_FAC_LIST_SIZE_BYTE);
if (copy_to_user((void __user *)attr->addr, mach, sizeof(*mach))) if (copy_to_user((void __user *)attr->addr, mach, sizeof(*mach)))
ret = -EFAULT; ret = -EFAULT;
kfree(mach); kfree(mach);
@ -903,7 +903,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
goto out_nofac; goto out_nofac;
memcpy(kvm->arch.model.fac->kvm, S390_lowcore.stfle_fac_list, memcpy(kvm->arch.model.fac->kvm, S390_lowcore.stfle_fac_list,
S390_ARCH_FAC_LIST_SIZE_U64); S390_ARCH_FAC_LIST_SIZE_BYTE);
/* /*
* If this KVM host runs *not* in a LPAR, relax the facility bits * If this KVM host runs *not* in a LPAR, relax the facility bits