[NET] netfilter : xt_time should not assume CONFIG_KTIME_SCALAR

[Eric Dumazet]

It is not correct to assume one can get nsec from a ktime directly by 
using .tv64 field.

Signed-off-by: Eric Dumazet <[EMAIL PROTECTED]>

diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index ff44f86..f9c55dc 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -170,7 +170,7 @@ static bool xt_time_match(const struct sk_buff *skb,
        if (skb->tstamp.tv64 == 0)
                __net_timestamp((struct sk_buff *)skb);
 
-       stamp = skb->tstamp.tv64;
+       stamp = ktime_to_ns(skb->tstamp);
        do_div(stamp, NSEC_PER_SEC);
 
        if (info->flags & XT_TIME_LOCAL_TZ)