diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kvm/sigp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index caccc0ee9ce..ca544d53557 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -207,6 +207,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, address = address & 0x7fffe000u; if (copy_from_guest_absolute(vcpu, &tmp, address, 1) || copy_from_guest_absolute(vcpu, &tmp, address + PAGE_SIZE, 1)) { + *reg &= 0xffffffff00000000UL; *reg |= SIGP_STATUS_INVALID_PARAMETER; return 1; /* invalid parameter */ } @@ -220,8 +221,9 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, li = fi->local_int[cpu_addr]; if (li == NULL) { + *reg &= 0xffffffff00000000UL; + *reg |= SIGP_STATUS_INCORRECT_STATE; rc = 1; /* incorrect state */ - *reg &= SIGP_STATUS_INCORRECT_STATE; kfree(inti); goto out_fi; } @@ -229,8 +231,9 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address, spin_lock_bh(&li->lock); /* cpu must be in stopped state */ if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) { + *reg &= 0xffffffff00000000UL; + *reg |= SIGP_STATUS_INCORRECT_STATE; rc = 1; /* incorrect state */ - *reg &= SIGP_STATUS_INCORRECT_STATE; kfree(inti); goto out_li; } |