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Date:   Sun, 19 Feb 2017 17:36:40 +0000
From:   Majd Dibbiny <majd@...lanox.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
CC:     "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Doug Ledford <dledford@...hat.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        "Leon Romanovsky" <leonro@...lanox.com>,
        Matan Barak <matanb@...lanox.com>,
        "Sean Hefty" <sean.hefty@...el.com>,
        Yishai Hadas <yishaih@...lanox.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH 17/29] IB/mlx4: Improve another size determination in
 mlx4_ib_add()


> On Feb 18, 2017, at 11:06 PM, SF Markus Elfring <elfring@...rs.sourceforge.net> wrote:
> 
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 18 Feb 2017 15:43:54 +0100
> 
> Replace the specification of a data structure by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
> drivers/infiniband/hw/mlx4/main.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
> index b78f17623121..f3194f2a6e62 100644
> --- a/drivers/infiniband/hw/mlx4/main.c
> +++ b/drivers/infiniband/hw/mlx4/main.c
> @@ -2825,9 +2825,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
>    }
>    if (mlx4_is_bonded(dev))
>        for (i = 1; i < ibdev->num_ports ; ++i) {
> -            new_counter_index =
> -                    kmalloc(sizeof(struct counter_index),
> -                        GFP_KERNEL);
> +            new_counter_index = kmalloc(sizeof(*new_counter_index),
> +                            GFP_KERNEL);
>            if (!new_counter_index)
>                goto err_counter;
>            new_counter_index->index = counter_index;
> -- 
> 2.11.1
> 
> --
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Thanks,
Reviewed-by: Majd Dibbiny
<majd@...lanox.com>

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