Re: [PATCH 1/4] vmbus: Improve a size determination in vmbus_device_create()

[Stephen Hemminger]

On Thu, 11 May 2017 18:15:46 +0200
SF Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:

> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Thu, 11 May 2017 17:30:10 +0200
> 
> 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/hv/vmbus_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index 0087b49095eb..6802d74f162c 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -1145,5 +1145,5 @@ struct hv_device *vmbus_device_create(const uuid_le *type,
>  {
>  	struct hv_device *child_device_obj;
>  
> -	child_device_obj = kzalloc(sizeof(struct hv_device), GFP_KERNEL);
> +	child_device_obj = kzalloc(sizeof(*child_device_obj), GFP_KERNEL);
>  	if (!child_device_obj) {

This looks fine.

Acked-by: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>