Re: [PATCH] s390: replace kmalloc + memset with kzalloc

[Pekka Enberg]

On Sun, Mar 10, 2013 at 3:13 PM, Stelian Nirlu <steliannirlu@xxxxxxxxx> wrote:
> Signed-off-by: Stelian Nirlu <steliannirlu@xxxxxxxxx>
> ---
>  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);

kcalloc() might be more appropriate here to protect against integer
overflow if "fp->len" is too large.
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