Re: [PATCH 17/29] IB/mlx4: Improve another size determination in mlx4_ib_add()

From: Majd Dibbiny
Date: Sun Feb 19 2017 - 12:37:57 EST



> On Feb 18, 2017, at 11:06 PM, SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> 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@xxxxxxxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxxx>