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[1/2] staging: ccree: remove unnecessary cast on kmalloc

Message ID 20170709054337.GA9031@embeddedgus (mailing list archive)
State Not Applicable
Delegated to: Herbert Xu
Headers show

Commit Message

Gustavo A. R. Silva July 9, 2017, 5:43 a.m. UTC
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@embeddedor.com>
---
 drivers/staging/ccree/ssi_buffer_mgr.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Gilad Ben-Yossef July 11, 2017, 1:44 p.m. UTC | #1
On Sun, Jul 9, 2017 at 8:43 AM, Gustavo A. R. Silva
<garsilva@embeddedor.com> 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@embeddedor.com>

For both patches:

Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>

> ---
>  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
diff mbox

Patch

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;