[SK_BUFF]: Convert skb->tail to sk_buff_data_t

[thirdparty/linux.git] / include / linux / netfilter / nfnetlink.h

diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 6179648a014ea1d77330a9b3121f7f9737386bd4..e1ea5dfbbbd44550656641c79eb214d932d06407 100644 (file)
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -62,11 +62,11 @@ struct nfattr
 #define NFA_DATA(nfa)   ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
 #define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
 #define NFA_NEST(skb, type) \
-({     struct nfattr *__start = (struct nfattr *) (skb)->tail; \
+({     struct nfattr *__start = (struct nfattr *)skb_tail_pointer(skb); \
        NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); \
        __start;  })
 #define NFA_NEST_END(skb, start) \
-({      (start)->nfa_len = ((skb)->tail - (unsigned char *) (start)); \
+({      (start)->nfa_len = skb_tail_pointer(skb) - (unsigned char *)(start); \
         (skb)->len; })
 #define NFA_NEST_CANCEL(skb, start) \
 ({      if (start) \