Re: [PATCH 04/29] IB/mlx4: Improve another size determination in alloc_pv_object()

From: Majd Dibbiny
Date: Sun Feb 19 2017 - 12:06:36 EST



> On Feb 18, 2017, at 10:52 PM, SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxxx>