[PATCH] staging: cxt1e1: use kzalloc instead of kmalloc/memset 0
Tobias Klauser
tklauser at distanz.ch
Wed Mar 5 10:04:05 UTC 2014
On 2014-03-05 at 03:37:15 +0100, Daeseok Youn <daeseok.youn at gmail.com> wrote:
>
> Signed-off-by: Daeseok Youn <daeseok.youn at gmail.com>
> ---
> drivers/staging/cxt1e1/sbecom_inline_linux.h | 6 ++----
> 1 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/cxt1e1/sbecom_inline_linux.h b/drivers/staging/cxt1e1/sbecom_inline_linux.h
> index ba3ff3e..6dd1b55 100644
> --- a/drivers/staging/cxt1e1/sbecom_inline_linux.h
> +++ b/drivers/staging/cxt1e1/sbecom_inline_linux.h
> @@ -46,11 +46,9 @@ void pci_write_32 (u_int32_t *p, u_int32_t v);
> static inline void *
> OS_kmalloc (size_t size)
> {
> - char *ptr = kmalloc (size, GFP_KERNEL | GFP_DMA);
> + char *ptr = kzalloc(size, GFP_KERNEL | GFP_DMA);
>
> - if (ptr)
> - memset (ptr, 0, size);
> - return ptr;
> + return ptr;
> }
It would probably be even better to get rid of this function altogether
and replace all calls to it by kmalloc/kzalloc.
>From a quick look at the users of OS_kmalloc, it also looks like GFP_DMA
isn't needed for all of them.
Cheers
Tobias
More information about the devel
mailing list