diff options
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 1 | ||||
| -rw-r--r-- | arch/s390/kvm/priv.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index c28423a3acc0..38b589d69951 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -142,6 +142,7 @@ void kvm_s390_reinject_io_int(struct kvm *kvm, int kvm_s390_mask_adapter(struct kvm *kvm, unsigned int id, bool masked); /* implemented in priv.c */ +int is_valid_psw(psw_t *psw); int kvm_s390_handle_b2(struct kvm_vcpu *vcpu); int kvm_s390_handle_e5(struct kvm_vcpu *vcpu); int kvm_s390_handle_01(struct kvm_vcpu *vcpu); diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 07d0c1025cb9..d99f5f0305a0 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -365,7 +365,8 @@ static void handle_new_psw(struct kvm_vcpu *vcpu) #define PSW_ADDR_24 0x0000000000ffffffUL #define PSW_ADDR_31 0x000000007fffffffUL -static int is_valid_psw(psw_t *psw) { +int is_valid_psw(psw_t *psw) +{ if (psw->mask & PSW_MASK_UNASSIGNED) return 0; if ((psw->mask & PSW_MASK_ADDR_MODE) == PSW_MASK_BA) { @@ -376,6 +377,8 @@ static int is_valid_psw(psw_t *psw) { return 0; if ((psw->mask & PSW_MASK_ADDR_MODE) == PSW_MASK_EA) return 0; + if (psw->addr & 1) + return 0; return 1; } |