[NETFILTER]: Rename skb_ip_make_writable() to skb_make_writable()
There is nothing IPv4-specific in it. In fact, it was already used by
IPv6, too... Upcoming nfnetlink_queue code will use it for any kind
of packet.
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index ec60856..54b97a1 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -193,6 +193,11 @@
/* FIXME: Before cache is ever used, this must be implemented for real. */
extern void nf_invalidate_cache(int pf);
+/* Call this before modifying an existing packet: ensures it is
+ modifiable and linear to the point you care about (writable_len).
+ Returns true or false. */
+extern int skb_make_writable(struct sk_buff **pskb, unsigned int writable_len);
+
#else /* !CONFIG_NETFILTER */
#define NF_HOOK(pf, hook, skb, indev, outdev, okfn) (okfn)(skb)
static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {}