Re: [PATCH 1/5] [media] winbond-cir: Use kmalloc_array() in wbcir_tx()

From: David HÃrdeman
Date: Wed Oct 19 2016 - 11:31:24 EST


October 14, 2016 1:41 PM, "SF Markus Elfring" <elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 14 Oct 2016 07:19:00 +0200
>
> A multiplication for the size determination of a memory allocation
> indicated that an array data structure should be processed.
> Thus use the corresponding function "kmalloc_array".
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Sure...why not...

Signed-off-by: David HÃrdeman <david@xxxxxxxxxxx>


> ---
> drivers/media/rc/winbond-cir.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/rc/winbond-cir.c b/drivers/media/rc/winbond-cir.c
> index 95ae60e..59050f5 100644
> --- a/drivers/media/rc/winbond-cir.c
> +++ b/drivers/media/rc/winbond-cir.c
> @@ -660,7 +660,7 @@ wbcir_tx(struct rc_dev *dev, unsigned *b, unsigned count)
> unsigned i;
> unsigned long flags;
>
> - buf = kmalloc(count * sizeof(*b), GFP_KERNEL);
> + buf = kmalloc_array(count, sizeof(*b), GFP_KERNEL);
> if (!buf)
> return -ENOMEM;
>
> --
> 2.10.1