linux-kernel - Re: [PATCH 5/7] KVM: s390: Use "int" as return type for kvm_s390_get/set

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Date:   Tue, 7 Feb 2023 16:36:07 +0100
From:   Claudio Imbrenda <imbrenda@...ux.ibm.com>
To:     Thomas Huth <thuth@...hat.com>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        kvmarm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 5/7] KVM: s390: Use "int" as return type for
 kvm_s390_get/set_skeys()

On Fri,  3 Feb 2023 10:42:28 +0100
Thomas Huth <thuth@...hat.com> wrote:

> These two functions only return normal integers, so it does not
> make sense to declare the return type as "long" here.
> 
> Signed-off-by: Thomas Huth <thuth@...hat.com>

Reviewed-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>

> ---
>  arch/s390/kvm/kvm-s390.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index e4890e04b210..8ad1972b8a73 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -1992,7 +1992,7 @@ static int kvm_s390_vm_has_attr(struct kvm *kvm, struct kvm_device_attr *attr)
>  	return ret;
>  }
>  
> -static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
> +static int kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
>  {
>  	uint8_t *keys;
>  	uint64_t hva;
> @@ -2040,7 +2040,7 @@ static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
>  	return r;
>  }
>  
> -static long kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
> +static int kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
>  {
>  	uint8_t *keys;
>  	uint64_t hva;