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Date:   Sun, 19 Feb 2017 17:06:20 +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 04/29] IB/mlx4: Improve another size determination in
 alloc_pv_object()


> On Feb 18, 2017, at 10:52 PM, SF Markus Elfring <elfring@...rs.sourceforge.net> wrote:
> 
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Fri, 17 Feb 2017 20:20:43 +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/mad.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
> index 284634d36b1c..ea4892b0f39e 100644
> --- a/drivers/infiniband/hw/mlx4/mad.c
> +++ b/drivers/infiniband/hw/mlx4/mad.c
> @@ -1948,7 +1948,7 @@ static int alloc_pv_object(struct mlx4_ib_dev *dev, int slave, int port,
>    struct mlx4_ib_demux_pv_ctx *ctx;
> 
>    *ret_ctx = NULL;
> -    ctx = kzalloc(sizeof (struct mlx4_ib_demux_pv_ctx), GFP_KERNEL);
> +    ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
>    if (!ctx)
>        return -ENOMEM;
> 
> -- 
> 2.11.1
> 
> --
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Thanks,
Reviewed-by: Majd Dibbiny
<majd@...lanox.com>

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