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[03/29] IB/mlx4: Improve another size determination in mlx4_ib_alloc_demux_ctx()

Message ID 73833337-ea01-edcb-d9a7-85ac8a03c0c7@users.sourceforge.net (mailing list archive)
State Changes Requested
Headers show

Commit Message

SF Markus Elfring Feb. 18, 2017, 8:50 p.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 17 Feb 2017 20:15:02 +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/mlx4/mad.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Majd Dibbiny Feb. 19, 2017, 5:06 p.m. UTC | #1
> On Feb 18, 2017, at 10:50 PM, SF Markus Elfring <elfring@users.sourceforge.net> wrote:
> 
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Fri, 17 Feb 2017 20:15:02 +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/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 858da8746d49..284634d36b1c 100644
> --- a/drivers/infiniband/hw/mlx4/mad.c
> +++ b/drivers/infiniband/hw/mlx4/mad.c
> @@ -2150,7 +2150,7 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev,
>    int i;
> 
>    ctx->tun = kcalloc(dev->dev->caps.sqp_demux,
> -               sizeof (struct mlx4_ib_demux_pv_ctx *), GFP_KERNEL);
> +               sizeof(*ctx->tun), GFP_KERNEL);
>    if (!ctx->tun)
>        return -ENOMEM;
> 
> -- 
> 2.11.1
> 
> --
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Thanks,
Reviewed-by: Majd Dibbiny
<majd@mellanox.com>--
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diff mbox

Patch

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 858da8746d49..284634d36b1c 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -2150,7 +2150,7 @@  static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev,
 	int i;
 
 	ctx->tun = kcalloc(dev->dev->caps.sqp_demux,
-			   sizeof (struct mlx4_ib_demux_pv_ctx *), GFP_KERNEL);
+			   sizeof(*ctx->tun), GFP_KERNEL);
 	if (!ctx->tun)
 		return -ENOMEM;