Will pass this patch to net-next, as it is a cleanup.
On Sun, Jan 27, 2013 at 03:36:48AM +0900, YOSHIFUJI Hideaki wrote:
> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>
> ---
> net/ipv6/netfilter/ip6t_NPT.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/net/ipv6/netfilter/ip6t_NPT.c b/net/ipv6/netfilter/ip6t_NPT.c
> index 3ff281b..b1bf3ed 100644
> --- a/net/ipv6/netfilter/ip6t_NPT.c
> +++ b/net/ipv6/netfilter/ip6t_NPT.c
> @@ -17,18 +17,13 @@
> static int ip6t_npt_checkentry(const struct xt_tgchk_param *par)
> {
> struct ip6t_npt_tginfo *npt = par->targinfo;
> - __wsum src_sum = 0, dst_sum = 0;
> - unsigned int i;
> + __wsum src_sum, dst_sum;
>
> if (npt->src_pfx_len > 64 || npt->dst_pfx_len > 64)
> return -EINVAL;
>
> - for (i = 0; i < ARRAY_SIZE(npt->src_pfx.in6.s6_addr16); i++) {
> - src_sum = csum_add(src_sum,
> - (__force __wsum)npt->src_pfx.in6.s6_addr16[i]);
> - dst_sum = csum_add(dst_sum,
> - (__force __wsum)npt->dst_pfx.in6.s6_addr16[i]);
> - }
> + src_sum = csum_partial(&npt->src_pfx.in6, sizeof(npt->src_pfx.in6), 0);
> + dst_sum = csum_partial(&npt->dst_pfx.in6, sizeof(npt->dst_pfx.in6), 0);
>
> npt->adjustment = csum_fold(csum_sub(src_sum, dst_sum));
> return 0;
> --
> 1.7.9.5
>
>
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