From: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx> Instead of returning a possibly random or'ed together value, let's always return -EFAULT if rc is set. Signed-off-by: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> Acked-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- arch/s390/kvm/interrupt.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 86bc89a..f00f31e 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -287,7 +287,7 @@ static int __must_check __deliver_cpu_timer(struct kvm_vcpu *vcpu) rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); clear_bit(IRQ_PEND_EXT_CPU_TIMER, &li->pending_irqs); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_ckc(struct kvm_vcpu *vcpu) @@ -306,7 +306,7 @@ static int __must_check __deliver_ckc(struct kvm_vcpu *vcpu) rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); clear_bit(IRQ_PEND_EXT_CLOCK_COMP, &li->pending_irqs); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_pfault_init(struct kvm_vcpu *vcpu) @@ -334,7 +334,7 @@ static int __must_check __deliver_pfault_init(struct kvm_vcpu *vcpu) rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= put_guest_lc(vcpu, ext.ext_params2, (u64 *) __LC_EXT_PARAMS2); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu) @@ -371,7 +371,7 @@ static int __must_check __deliver_machine_check(struct kvm_vcpu *vcpu) &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_MCK_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_restart(struct kvm_vcpu *vcpu) @@ -389,7 +389,7 @@ static int __must_check __deliver_restart(struct kvm_vcpu *vcpu) rc |= read_guest_lc(vcpu, offsetof(struct _lowcore, restart_psw), &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); clear_bit(IRQ_PEND_RESTART, &li->pending_irqs); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_stop(struct kvm_vcpu *vcpu) @@ -450,7 +450,7 @@ static int __must_check __deliver_emergency_signal(struct kvm_vcpu *vcpu) &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_external_call(struct kvm_vcpu *vcpu) @@ -478,7 +478,7 @@ static int __must_check __deliver_external_call(struct kvm_vcpu *vcpu) &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_EXT_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_prog(struct kvm_vcpu *vcpu) @@ -572,7 +572,7 @@ static int __must_check __deliver_prog(struct kvm_vcpu *vcpu) &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_PGM_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_service(struct kvm_vcpu *vcpu, @@ -594,7 +594,7 @@ static int __must_check __deliver_service(struct kvm_vcpu *vcpu, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= put_guest_lc(vcpu, inti->ext.ext_params, (u32 *)__LC_EXT_PARAMS); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_pfault_done(struct kvm_vcpu *vcpu, @@ -614,7 +614,7 @@ static int __must_check __deliver_pfault_done(struct kvm_vcpu *vcpu, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= put_guest_lc(vcpu, inti->ext.ext_params2, (u64 *)__LC_EXT_PARAMS2); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_virtio(struct kvm_vcpu *vcpu, @@ -639,7 +639,7 @@ static int __must_check __deliver_virtio(struct kvm_vcpu *vcpu, (u32 *)__LC_EXT_PARAMS); rc |= put_guest_lc(vcpu, inti->ext.ext_params2, (u64 *)__LC_EXT_PARAMS2); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_io(struct kvm_vcpu *vcpu, @@ -667,7 +667,7 @@ static int __must_check __deliver_io(struct kvm_vcpu *vcpu, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_IO_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } static int __must_check __deliver_mchk_floating(struct kvm_vcpu *vcpu, @@ -692,7 +692,7 @@ static int __must_check __deliver_mchk_floating(struct kvm_vcpu *vcpu, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); rc |= read_guest_lc(vcpu, __LC_MCK_NEW_PSW, &vcpu->arch.sie_block->gpsw, sizeof(psw_t)); - return rc; + return rc ? -EFAULT : 0; } typedef int (*deliver_irq_t)(struct kvm_vcpu *vcpu); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
