[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>

15 files changed, 25 insertions, 25 deletions

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index ec60856408fd..54b97a1baba5 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -193,6 +193,11 @@ extern void nf_ct_attach(struct sk_buff *, struct sk_buff *);
 /* 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) {}
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index 552815b8193e..fdc4a9527343 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -80,11 +80,6 @@ enum nf_ip_hook_priorities {
 #ifdef __KERNEL__
 extern int ip_route_me_harder(struct sk_buff **pskb);
 
-/* Call this before modifying an existing IP packet: ensures it is
-   modifiable and linear to the point you care about (writable_len).
-   Returns true or false. */
-extern int skb_ip_make_writable(struct sk_buff **pskb,
-                                unsigned int writable_len);
 #endif /*__KERNEL__*/
 
 #endif /*__LINUX_IP_NETFILTER_H*/
diff --git a/net/core/netfilter.c b/net/core/netfilter.c
index 076c156d5eda..bbf9081a6804 100644
--- a/net/core/netfilter.c
+++ b/net/core/netfilter.c
@@ -512,8 +512,9 @@ int ip_route_me_harder(struct sk_buff **pskb)
         return 0;
 }
 EXPORT_SYMBOL(ip_route_me_harder);
+#endif /*CONFIG_INET*/
 
-int skb_ip_make_writable(struct sk_buff **pskb, unsigned int writable_len)
+int skb_make_writable(struct sk_buff **pskb, unsigned int writable_len)
 {
         struct sk_buff *nskb;
 
@@ -540,8 +541,7 @@ copy_skb:
         *pskb = nskb;
         return 1;
 }
-EXPORT_SYMBOL(skb_ip_make_writable);
-#endif /*CONFIG_INET*/
+EXPORT_SYMBOL(skb_make_writable);
 
 /* Internal logging interface, which relies on the real 
    LOG target modules */
diff --git a/net/ipv4/netfilter/ip_nat_core.c b/net/ipv4/netfilter/ip_nat_core.c
index 567c802fecf0..1adedb743f60 100644
--- a/net/ipv4/netfilter/ip_nat_core.c
+++ b/net/ipv4/netfilter/ip_nat_core.c
@@ -359,7 +359,7 @@ manip_pkt(u_int16_t proto,
         struct iphdr *iph;
         struct ip_nat_protocol *p;
 
-        if (!skb_ip_make_writable(pskb, iphdroff + sizeof(*iph)))
+        if (!skb_make_writable(pskb, iphdroff + sizeof(*iph)))
                 return 0;
 
         iph = (void *)(*pskb)->data + iphdroff;
@@ -431,7 +431,7 @@ int icmp_reply_translation(struct sk_buff **pskb,
         struct ip_conntrack_tuple inner, target;
         int hdrlen = (*pskb)->nh.iph->ihl * 4;
 
-        if (!skb_ip_make_writable(pskb, hdrlen + sizeof(*inside)))
+        if (!skb_make_writable(pskb, hdrlen + sizeof(*inside)))
                 return 0;
 
         inside = (void *)(*pskb)->data + (*pskb)->nh.iph->ihl*4;
diff --git a/net/ipv4/netfilter/ip_nat_helper.c b/net/ipv4/netfilter/ip_nat_helper.c
index 158f34f32c04..d2dd5d313556 100644
--- a/net/ipv4/netfilter/ip_nat_helper.c
+++ b/net/ipv4/netfilter/ip_nat_helper.c
@@ -168,7 +168,7 @@ ip_nat_mangle_tcp_packet(struct sk_buff **pskb,
         struct tcphdr *tcph;
         int datalen;
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->len))
+        if (!skb_make_writable(pskb, (*pskb)->len))
                 return 0;
 
         if (rep_len > match_len
@@ -228,7 +228,7 @@ ip_nat_mangle_udp_packet(struct sk_buff **pskb,
                                match_offset + match_len)
                 return 0;
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->len))
+        if (!skb_make_writable(pskb, (*pskb)->len))
                 return 0;
 
         if (rep_len > match_len
@@ -315,7 +315,7 @@ ip_nat_sack_adjust(struct sk_buff **pskb,
         optoff = (*pskb)->nh.iph->ihl*4 + sizeof(struct tcphdr);
         optend = (*pskb)->nh.iph->ihl*4 + tcph->doff*4;
 
-        if (!skb_ip_make_writable(pskb, optend))
+        if (!skb_make_writable(pskb, optend))
                 return 0;
 
         dir = CTINFO2DIR(ctinfo);
@@ -363,7 +363,7 @@ ip_nat_seq_adjust(struct sk_buff **pskb,
         this_way = &ct->nat.info.seq[dir];
         other_way = &ct->nat.info.seq[!dir];
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
+        if (!skb_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
                 return 0;
 
         tcph = (void *)(*pskb)->data + (*pskb)->nh.iph->ihl*4;
diff --git a/net/ipv4/netfilter/ip_nat_proto_icmp.c b/net/ipv4/netfilter/ip_nat_proto_icmp.c
index 7ed2fdb53457..938719043999 100644
--- a/net/ipv4/netfilter/ip_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/ip_nat_proto_icmp.c
@@ -62,7 +62,7 @@ icmp_manip_pkt(struct sk_buff **pskb,
         struct icmphdr *hdr;
         unsigned int hdroff = iphdroff + iph->ihl*4;
 
-        if (!skb_ip_make_writable(pskb, hdroff + sizeof(*hdr)))
+        if (!skb_make_writable(pskb, hdroff + sizeof(*hdr)))
                 return 0;
 
         hdr = (struct icmphdr *)((*pskb)->data + hdroff);
diff --git a/net/ipv4/netfilter/ip_nat_proto_tcp.c b/net/ipv4/netfilter/ip_nat_proto_tcp.c
index 6113a16af867..1d381bf68574 100644
--- a/net/ipv4/netfilter/ip_nat_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_nat_proto_tcp.c
@@ -103,7 +103,7 @@ tcp_manip_pkt(struct sk_buff **pskb,
         if ((*pskb)->len >= hdroff + sizeof(struct tcphdr))
                 hdrsize = sizeof(struct tcphdr);
 
-        if (!skb_ip_make_writable(pskb, hdroff + hdrsize))
+        if (!skb_make_writable(pskb, hdroff + hdrsize))
                 return 0;
 
         iph = (struct iphdr *)((*pskb)->data + iphdroff);
diff --git a/net/ipv4/netfilter/ip_nat_proto_udp.c b/net/ipv4/netfilter/ip_nat_proto_udp.c
index 689478e637a7..c4906e1aa24a 100644
--- a/net/ipv4/netfilter/ip_nat_proto_udp.c
+++ b/net/ipv4/netfilter/ip_nat_proto_udp.c
@@ -94,7 +94,7 @@ udp_manip_pkt(struct sk_buff **pskb,
         u32 oldip, newip;
         u16 *portptr, newport;
 
-        if (!skb_ip_make_writable(pskb, hdroff + sizeof(*hdr)))
+        if (!skb_make_writable(pskb, hdroff + sizeof(*hdr)))
                 return 0;
 
         iph = (struct iphdr *)((*pskb)->data + iphdroff);
diff --git a/net/ipv4/netfilter/ip_nat_snmp_basic.c b/net/ipv4/netfilter/ip_nat_snmp_basic.c
index 2a48b6e635ae..93b2c5111bb2 100644
--- a/net/ipv4/netfilter/ip_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/ip_nat_snmp_basic.c
@@ -1275,7 +1275,7 @@ static int help(struct sk_buff **pskb,
                  return NF_DROP;
         }
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->len))
+        if (!skb_make_writable(pskb, (*pskb)->len))
                 return NF_DROP;
 
         spin_lock_bh(&snmp_lock);
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index bc0af8d8e910..ae975ac59c6a 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -388,7 +388,7 @@ ipq_mangle_ipv4(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
                 }
                 skb_put(e->skb, diff);
         }
-        if (!skb_ip_make_writable(&e->skb, v->data_len))
+        if (!skb_make_writable(&e->skb, v->data_len))
                 return -ENOMEM;
         memcpy(e->skb->data, v->payload, v->data_len);
         e->skb->ip_summed = CHECKSUM_NONE;
diff --git a/net/ipv4/netfilter/ipt_DSCP.c b/net/ipv4/netfilter/ipt_DSCP.c
index 975476fef27a..6e319570a28c 100644
--- a/net/ipv4/netfilter/ipt_DSCP.c
+++ b/net/ipv4/netfilter/ipt_DSCP.c
@@ -39,7 +39,7 @@ target(struct sk_buff **pskb,
         if (((*pskb)->nh.iph->tos & IPT_DSCP_MASK) != sh_dscp) {
                 u_int16_t diffs[2];
 
-                if (!skb_ip_make_writable(pskb, sizeof(struct iphdr)))
+                if (!skb_make_writable(pskb, sizeof(struct iphdr)))
                         return NF_DROP;
 
                 diffs[0] = htons((*pskb)->nh.iph->tos) ^ 0xFFFF;
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index f63a9bc0e4d2..a1319693f648 100644
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -31,7 +31,7 @@ set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
             != (einfo->ip_ect & IPT_ECN_IP_MASK)) {
                 u_int16_t diffs[2];
 
-                if (!skb_ip_make_writable(pskb, sizeof(struct iphdr)))
+                if (!skb_make_writable(pskb, sizeof(struct iphdr)))
                         return 0;
 
                 diffs[0] = htons((*pskb)->nh.iph->tos) ^ 0xFFFF;
@@ -66,7 +66,7 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward)
              tcph->cwr == einfo->proto.tcp.cwr)))
                 return 1;
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
+        if (!skb_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
                 return 0;
         tcph = (void *)(*pskb)->nh.iph + (*pskb)->nh.iph->ihl*4;
 
diff --git a/net/ipv4/netfilter/ipt_TCPMSS.c b/net/ipv4/netfilter/ipt_TCPMSS.c
index 949288319ca8..8db70d6908c3 100644
--- a/net/ipv4/netfilter/ipt_TCPMSS.c
+++ b/net/ipv4/netfilter/ipt_TCPMSS.c
@@ -58,7 +58,7 @@ ipt_tcpmss_target(struct sk_buff **pskb,
         unsigned int i;
         u_int8_t *opt;
 
-        if (!skb_ip_make_writable(pskb, (*pskb)->len))
+        if (!skb_make_writable(pskb, (*pskb)->len))
                 return NF_DROP;
 
         if ((*pskb)->ip_summed == CHECKSUM_HW &&
diff --git a/net/ipv4/netfilter/ipt_TOS.c b/net/ipv4/netfilter/ipt_TOS.c
index 49abb7eef0a4..deadb36d4428 100644
--- a/net/ipv4/netfilter/ipt_TOS.c
+++ b/net/ipv4/netfilter/ipt_TOS.c
@@ -33,7 +33,7 @@ target(struct sk_buff **pskb,
         if (((*pskb)->nh.iph->tos & IPTOS_TOS_MASK) != tosinfo->tos) {
                 u_int16_t diffs[2];
 
-                if (!skb_ip_make_writable(pskb, sizeof(struct iphdr)))
+                if (!skb_make_writable(pskb, sizeof(struct iphdr)))
                         return NF_DROP;
 
                 diffs[0] = htons((*pskb)->nh.iph->tos) ^ 0xFFFF;
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 83ccedceed17..7130603a32c5 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -384,7 +384,7 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
                 }
                 skb_put(e->skb, diff);
         }
-        if (!skb_ip_make_writable(&e->skb, v->data_len))
+        if (!skb_make_writable(&e->skb, v->data_len))
                 return -ENOMEM;
         memcpy(e->skb->data, v->payload, v->data_len);
         e->skb->ip_summed = CHECKSUM_NONE;