Re: [PATCH 1/2] staging: ccree: remove unnecessary cast on kmalloc
From: Gilad Ben-Yossef
Date: Tue Jul 11 2017 - 09:44:48 EST
On Sun, Jul 9, 2017 at 8:43 AM, Gustavo A. R. Silva
<garsilva@xxxxxxxxxxxxxx> wrote:
> The assignment operator implicitly converts a void pointer to the type of the
> pointer it is assigned to.
>
> This issue was detected using Coccinelle and the following semantic patch:
>
> @@
> expression * e;
> expression arg1, arg2;
> type T;
> @@
>
> - e=(T*)
> + e=
> kmalloc(arg1, arg2);
>
> Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
For both patches:
Acked-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
> ---
> drivers/staging/ccree/ssi_buffer_mgr.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c
> index b35871e..18a8694 100644
> --- a/drivers/staging/ccree/ssi_buffer_mgr.c
> +++ b/drivers/staging/ccree/ssi_buffer_mgr.c
> @@ -1725,8 +1725,7 @@ int ssi_buffer_mgr_init(struct ssi_drvdata *drvdata)
> struct buff_mgr_handle *buff_mgr_handle;
> struct device *dev = &drvdata->plat_dev->dev;
>
> - buff_mgr_handle = (struct buff_mgr_handle *)
> - kmalloc(sizeof(struct buff_mgr_handle), GFP_KERNEL);
> + buff_mgr_handle = kmalloc(sizeof(struct buff_mgr_handle), GFP_KERNEL);
> if (!buff_mgr_handle)
> return -ENOMEM;
>
> --
> 2.5.0
>
Thanks,
Gilad
--
Gilad Ben-Yossef
Chief Coffee Drinker
"If you take a class in large-scale robotics, can you end up in a
situation where the homework eats your dog?"
-- Jean-Baptiste Queru