Re: [Qemu-devel] [PATCH] hw/rdma: Delete unused struct member

[Marcel Apfelbaum <marcel.apfelbaum@gmail.com>]

On 1/9/19 10:19 PM, Yuval Shaia wrote:
> This member is used only in init_device_caps function, make it local.
>
> Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
> ---
>   hw/rdma/rdma_backend.c      | 26 ++++++++++++++------------
>   hw/rdma/rdma_backend_defs.h |  1 -
>   2 files changed, 14 insertions(+), 13 deletions(-)
>
> diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
> index 16dca69ee9..b49edaacaf 100644
> --- a/hw/rdma/rdma_backend.c
> +++ b/hw/rdma/rdma_backend.c
> @@ -917,23 +917,25 @@ void rdma_backend_destroy_qp(RdmaBackendQP *qp)
>   static int init_device_caps(RdmaBackendDev *backend_dev,
>                               struct ibv_device_attr *dev_attr)
>   {
> -    if (ibv_query_device(backend_dev->context, &backend_dev->dev_attr)) {
> +    struct ibv_device_attr bk_dev_attr;
> +
> +    if (ibv_query_device(backend_dev->context, &bk_dev_attr)) {
>           return -EIO;
>       }
>   
>       dev_attr->max_sge = MAX_SGE;
>   
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_mr_size, "%" PRId64);
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_sge, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_wr, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_cq, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_cqe, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_mr, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_pd, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_rd_atom, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_qp_init_rd_atom, "%d");
> -    CHK_ATTR(dev_attr, backend_dev->dev_attr, max_ah, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_mr_size, "%" PRId64);
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_qp, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_sge, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_qp_wr, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_cq, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_cqe, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_mr, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_pd, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_qp_rd_atom, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_qp_init_rd_atom, "%d");
> +    CHK_ATTR(dev_attr, bk_dev_attr, max_ah, "%d");
>   
>       return 0;
>   }
> diff --git a/hw/rdma/rdma_backend_defs.h b/hw/rdma/rdma_backend_defs.h
> index 1e5c3dd3bf..15ae8b970e 100644
> --- a/hw/rdma/rdma_backend_defs.h
> +++ b/hw/rdma/rdma_backend_defs.h
> @@ -41,7 +41,6 @@ typedef struct RdmaCmMux {
>   } RdmaCmMux;
>   
>   typedef struct RdmaBackendDev {
> -    struct ibv_device_attr dev_attr;
>       RdmaBackendThread comp_thread;
>       PCIDevice *dev;
>       RdmaDeviceResources *rdma_dev_res;

Reviewed-by: Marcel Apfelbaum<marcel.apfelbaum@gmail.com>

Thanks,
Marcel