linux-kernel - Re: [PATCH] arch: s390: net: Replaced kmalloc and memset with kzalloc

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Date:	Thu, 14 Mar 2013 08:25:04 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Alexandru Gheorghiu <gheorghiuandru@...il.com>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>, linux390@...ibm.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arch: s390: net: Replaced kmalloc and memset with kzalloc

On Wed, Mar 13, 2013 at 08:59:17PM +0200, Alexandru Gheorghiu wrote:
> Used kzalloc instead of kmalloc followed by memset with 0.
> Patch found using coccinelle.
> 
> Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@...il.com>
> ---
>  arch/s390/net/bpf_jit_comp.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
> index 0972e91..e645528 100644
> --- a/arch/s390/net/bpf_jit_comp.c
> +++ b/arch/s390/net/bpf_jit_comp.c
> @@ -747,10 +747,9 @@ void bpf_jit_compile(struct sk_filter *fp)
> 
>  	if (!bpf_jit_enable)
>  		return;
> -	addrs = kmalloc(fp->len * sizeof(*addrs), GFP_KERNEL);
> +	addrs = kzalloc(fp->len * sizeof(*addrs), GFP_KERNEL);
>  	if (addrs == NULL)
>  		return;
> -	memset(addrs, 0, fp->len * sizeof(*addrs));

We have already a different patch from Stelian Nirlu for the same stuff.

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