[dpdk-dev] [PATCH v2 2/7] virtio: add software rx ring, fake_buf into virtqueue

[Xie, Huawei]

On 10/19/2015 1:07 PM, Xie, Huawei wrote:
> On 10/19/2015 12:20 PM, Stephen Hemminger wrote:
>
> On Sun, 18 Oct 2015 14:28:59 +0800
> Huawei Xie <huawei.xie at intel.com><mailto:huawei.xie at intel.com> wrote:
>
>
>
> +               if (vq->sw_ring)
> +                       rte_free(vq->sw_ring);
> +
>
>
>
> Do not need to test for NULL before calling rte_free.
> Better to just rely on the fact that rte_free(NULL) is documented
> to be ok (no operation).
>
>
>
>  ok, btw, in previous commit, just in the same function,
> void virtio_dev_queue_release(vq)
> [...]
>
>                            rte_free(vq);
>
>                            vq = NULL;
> I think there is no need to set NULL to vq. Will submit a patch to fix it if you agree.
In v3 patch, i also remove the "vq = NULL".
>
>