2022-12-16 23:16:51

by Kang Minchul

[permalink] [raw]
Subject: [PATCH] staging: r8188eu: Prefer kcalloc over kzalloc

Fixed following checkpatch.pl warning:
* WARNING: Prefer kcalloc over kzalloc with multiply

Instead of specifying (number of bytes) * (size) as arugment
in kzalloc, prefer kcalloc.

Signed-off-by: Kang Minchul <[email protected]>
---
drivers/staging/r8188eu/core/rtw_xmit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index 34494f08c0cd..36ce1e3f9c81 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -1564,7 +1564,7 @@ int rtw_alloc_hwxmits(struct adapter *padapter)

pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;

- pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
+ pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL);
if (!pxmitpriv->hwxmits)
return -ENOMEM;

--
2.34.1


2022-12-17 09:49:18

by Philipp Hortmann

[permalink] [raw]
Subject: Re: [PATCH] staging: r8188eu: Prefer kcalloc over kzalloc

On 12/16/22 23:39, Kang Minchul wrote:
> Fixed following checkpatch.pl warning:
> * WARNING: Prefer kcalloc over kzalloc with multiply
>
> Instead of specifying (number of bytes) * (size) as arugment
> in kzalloc, prefer kcalloc.
>
> Signed-off-by: Kang Minchul <[email protected]>
> ---
> drivers/staging/r8188eu/core/rtw_xmit.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
> index 34494f08c0cd..36ce1e3f9c81 100644
> --- a/drivers/staging/r8188eu/core/rtw_xmit.c
> +++ b/drivers/staging/r8188eu/core/rtw_xmit.c
> @@ -1564,7 +1564,7 @@ int rtw_alloc_hwxmits(struct adapter *padapter)
>
> pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;
>
> - pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
> + pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL);
> if (!pxmitpriv->hwxmits)
> return -ENOMEM;
>

Tested-by: Philipp Hortmann <[email protected]> # Edimax N150

2022-12-18 16:03:03

by Martin Kaiser

[permalink] [raw]
Subject: Re: [PATCH] staging: r8188eu: Prefer kcalloc over kzalloc

Thus wrote Kang Minchul ([email protected]):

> Fixed following checkpatch.pl warning:
> * WARNING: Prefer kcalloc over kzalloc with multiply

> Instead of specifying (number of bytes) * (size) as arugment
> in kzalloc, prefer kcalloc.

> Signed-off-by: Kang Minchul <[email protected]>
> ---
> drivers/staging/r8188eu/core/rtw_xmit.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

> diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
> index 34494f08c0cd..36ce1e3f9c81 100644
> --- a/drivers/staging/r8188eu/core/rtw_xmit.c
> +++ b/drivers/staging/r8188eu/core/rtw_xmit.c
> @@ -1564,7 +1564,7 @@ int rtw_alloc_hwxmits(struct adapter *padapter)

> pxmitpriv->hwxmit_entry = HWXMIT_ENTRY;

> - pxmitpriv->hwxmits = kzalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry, GFP_KERNEL);
> + pxmitpriv->hwxmits = kcalloc(pxmitpriv->hwxmit_entry, sizeof(struct hw_xmit), GFP_KERNEL);
> if (!pxmitpriv->hwxmits)
> return -ENOMEM;

> --
> 2.34.1

Reviewed-by: Martin Kaiser <[email protected]>