Re: [PATCH] iio: event: use sizeof(*pointer) instead of sizeof(type)

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On Sun,  2 Jun 2024 19:23:54 +0200
Erick Archer <erick.archer@xxxxxxxxxxx> wrote:

> It is preferred to use sizeof(*pointer) instead of sizeof(type)
> due to the type of the variable can change and one needs not
> change the former (unlike the latter). At the same time refactor
> the NULL comparison.
> 
> This patch has no effect on runtime behavior.
> 
> Signed-off-by: Erick Archer <erick.archer@xxxxxxxxxxx>

Applied.
> ---
>  drivers/iio/industrialio-event.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
> index 910c1f14abd5..b99bfeff7d37 100644
> --- a/drivers/iio/industrialio-event.c
> +++ b/drivers/iio/industrialio-event.c
> @@ -572,8 +572,8 @@ int iio_device_register_eventset(struct iio_dev *indio_dev)
>  	      iio_check_for_dynamic_events(indio_dev)))
>  		return 0;
>  
> -	ev_int = kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL);
> -	if (ev_int == NULL)
> +	ev_int = kzalloc(sizeof(*ev_int), GFP_KERNEL);
> +	if (!ev_int)
>  		return -ENOMEM;
>  
>  	iio_dev_opaque->event_interface = ev_int;





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