netdev - Re: [PATCH for bnxt_re V4 09/21] RDMA/bnxt

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Date:   Wed, 18 Jan 2017 11:50:06 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Selvin Xavier <selvin.xavier@...adcom.com>
Cc:     dledford@...hat.com, linux-rdma@...r.kernel.org,
        netdev@...r.kernel.org, michael.chan@...adcom.com,
        Eddie Wai <eddie.wai@...adcom.com>,
        Devesh Sharma <devesh.sharma@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>
Subject: Re: [PATCH for bnxt_re V4 09/21] RDMA/bnxt_re: Support for GID
 related verbs

On Wed, Dec 21, 2016 at 03:41:58AM -0800, Selvin Xavier wrote:
> Implements add GID, del GID,  get_netdev and pkey related verbs.
>
> v3: Fixes some sparse warning related to endianness check. Removes
>     macros which are just wrapper for standard defines.
>
> Signed-off-by: Eddie Wai <eddie.wai@...adcom.com>
> Signed-off-by: Devesh Sharma <devesh.sharma@...adcom.com>
> Signed-off-by: Somnath Kotur <somnath.kotur@...adcom.com>
> Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>
> Signed-off-by: Selvin Xavier <selvin.xavier@...adcom.com>
> ---
>  drivers/infiniband/hw/bnxt_re/ib_verbs.c  | 123 +++++++++++++++++
>  drivers/infiniband/hw/bnxt_re/ib_verbs.h  |  18 +++
>  drivers/infiniband/hw/bnxt_re/main.c      |   7 +
>  drivers/infiniband/hw/bnxt_re/qplib_res.c |   5 +
>  drivers/infiniband/hw/bnxt_re/qplib_res.h |   3 +
>  drivers/infiniband/hw/bnxt_re/qplib_sp.c  | 218 ++++++++++++++++++++++++++++++
>  drivers/infiniband/hw/bnxt_re/qplib_sp.h  |  11 ++
>  7 files changed, 385 insertions(+)
>

<snip>

> +
> +int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
> +			struct bnxt_qplib_gid *gid, bool update)
> +{
> +	struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
> +						   struct bnxt_qplib_res,
> +						   sgid_tbl);
> +	struct bnxt_qplib_rcfw *rcfw = res->rcfw;
> +	int index;
> +
> +	if (!sgid_tbl) {
> +		dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
> +		return -EINVAL;
> +	}
> +	/* Do we need a sgid_lock here? */

It is better to answer on this question before acceptance.

> +	if (!sgid_tbl->active) {
> +		dev_err(&res->pdev->dev,
> +			"QPLIB: SGID table has no active entries");
> +		return -ENOMEM;
> +	}

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