linux-kernel - Re: [PATCH] infiniband: bnxt_re: qplib: Check the return value of send

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Date:   Tue, 1 Jan 2019 09:52:42 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Aditya Pakki <pakki001@....edu>
Cc:     kjlu@....edu, Selvin Xavier <selvin.xavier@...adcom.com>,
        Devesh Sharma <devesh.sharma@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] infiniband: bnxt_re: qplib: Check the return value of
 send_message

On Wed, Dec 26, 2018 at 12:56:22PM -0600, Aditya Pakki wrote:
> In bnxt_qplib_map_tc2cos(), bnxt_qplib_rcfw_send_message() can return
> an error value. The fix returns the error from the latter function
> upstream.
>
> Signed-off-by: Aditya Pakki <pakki001@....edu>
> ---
>  drivers/infiniband/hw/bnxt_re/qplib_sp.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
> index 5216b5f844cc..adb8eae5193c 100644
> --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
> +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
> @@ -778,9 +778,8 @@ int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
>  	req.cos0 = cpu_to_le16(cids[0]);
>  	req.cos1 = cpu_to_le16(cids[1]);
>
> -	bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
> -				     0);
> -	return 0;
> +	return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
> +						NULL, 0);
>  }

AFAIK, there is no need to do casting to/from void*.

Thanks

>
>  int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
> --
> 2.17.1
>

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