Re: [PATCH 19/26] IB/ocrdma: Improve another size determination in ocrdma_alloc_mr()

Yuval Shaia
2017-03-09T12:04:06Z

On Wed, Mar 08, 2017 at 02:20:42PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 8 Mar 2017 09:54:42 +0100
>
> Replace the specification of a data type 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@users.sourceforge.net>
> ---
> drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> index 330617e1ef75..05d55d361cfe 100644
> --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> @@ -3030,7 +3030,7 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
> if (!mr)
> return ERR_PTR(-ENOMEM);
>
> - mr->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
> + mr->pages = kcalloc(max_num_sg, sizeof(*mr->pages), GFP_KERNEL);

Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>

> if (!mr->pages) {
> status = -ENOMEM;
> goto pl_err;
> --
> 2.12.0
>
> --
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