From: Heiko Carstens Date: Wed, 1 Jan 2014 15:50:11 +0000 (+0100) Subject: KVM: s390: convert handle_set_clock() X-Git-Tag: MMI-PSA29.97-13-9~11772^2~11^2~67^2~25 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0e7a3f9405d327bdc55ef1cdca7b63486b1916a0;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git KVM: s390: convert handle_set_clock() Convert handle_set_clock() to new guest access functions. Signed-off-by: Heiko Carstens Reviewed-by: Thomas Huth Signed-off-by: Christian Borntraeger --- diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index dd6ad8445608..9648504d7818 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -35,8 +35,8 @@ static int handle_set_clock(struct kvm_vcpu *vcpu) { struct kvm_vcpu *cpup; s64 hostclk, val; + int i, rc; u64 op2; - int i; if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); @@ -44,8 +44,9 @@ static int handle_set_clock(struct kvm_vcpu *vcpu) op2 = kvm_s390_get_base_disp_s(vcpu); if (op2 & 7) /* Operand must be on a doubleword boundary */ return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - if (get_guest(vcpu, val, (u64 __user *) op2)) - return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); + rc = read_guest(vcpu, op2, &val, sizeof(val)); + if (rc) + return kvm_s390_inject_prog_cond(vcpu, rc); if (store_tod_clock(&hostclk)) { kvm_s390_set_psw_cc(vcpu, 3);