Re: [PATCH] KVM: MMIO: get rid of odd out_err label in kvm_coalesced_mmio_init

From: Paolo Bonzini
Date: Mon Nov 11 2019 - 09:07:29 EST


On 09/11/19 09:08, linmiaohe wrote:
> From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
>
> The out_err label and var ret is unnecessary, clean them up.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
> ---
> virt/kvm/coalesced_mmio.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
> index 8ffd07e2a160..00c747dbc82e 100644
> --- a/virt/kvm/coalesced_mmio.c
> +++ b/virt/kvm/coalesced_mmio.c
> @@ -110,14 +110,11 @@ static const struct kvm_io_device_ops coalesced_mmio_ops = {
> int kvm_coalesced_mmio_init(struct kvm *kvm)
> {
> struct page *page;
> - int ret;
>
> - ret = -ENOMEM;
> page = alloc_page(GFP_KERNEL | __GFP_ZERO);
> if (!page)
> - goto out_err;
> + return -ENOMEM;
>
> - ret = 0;
> kvm->coalesced_mmio_ring = page_address(page);
>
> /*
> @@ -128,8 +125,7 @@ int kvm_coalesced_mmio_init(struct kvm *kvm)
> spin_lock_init(&kvm->ring_lock);
> INIT_LIST_HEAD(&kvm->coalesced_zones);
>
> -out_err:
> - return ret;
> + return 0;
> }
>
> void kvm_coalesced_mmio_free(struct kvm *kvm)
>

Queued, thanks.

Paolo