[SK_BUFF]: Convert skb->tail to sk_buff_data_t

[net-next-2.6.git] / net / ipv4 / netfilter / arpt_mangle.c

diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index b4450f1ccc1bdd15db00f6ed0201bb5a50aba4b5..6298d404e7c7950099d25c7ad1e71d0ababfa91e 100644 (file)
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -37,28 +37,28 @@ target(struct sk_buff **pskb,
        /* We assume that pln and hln were checked in the match */
        if (mangle->flags & ARPT_MANGLE_SDEV) {
                if (ARPT_DEV_ADDR_LEN_MAX < hln ||
-                  (arpptr + hln > (**pskb).tail))
+                  (arpptr + hln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, mangle->src_devaddr, hln);
        }
        arpptr += hln;
        if (mangle->flags & ARPT_MANGLE_SIP) {
                if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
-                  (arpptr + pln > (**pskb).tail))
+                  (arpptr + pln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, &mangle->u_s.src_ip, pln);
        }
        arpptr += pln;
        if (mangle->flags & ARPT_MANGLE_TDEV) {
                if (ARPT_DEV_ADDR_LEN_MAX < hln ||
-                  (arpptr + hln > (**pskb).tail))
+                  (arpptr + hln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, mangle->tgt_devaddr, hln);
        }
        arpptr += hln;
        if (mangle->flags & ARPT_MANGLE_TIP) {
                if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
-                  (arpptr + pln > (**pskb).tail))
+                  (arpptr + pln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, &mangle->u_t.tgt_ip, pln);
        }