[NETFILTER]: Replace sk_buff ** with sk_buff *

With all the users of the double pointers removed, this patch mops up by
finally replacing all occurances of sk_buff ** in the netfilter API by
sk_buff *.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index 99e3a1a..58e43e5 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -107,7 +107,7 @@
 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
 extern struct sk_buff *(*br_handle_frame_hook)(struct net_bridge_port *p,
 					       struct sk_buff *skb);
-extern int (*br_should_route_hook)(struct sk_buff **pskb);
+extern int (*br_should_route_hook)(struct sk_buff *skb);
 
 #endif
 
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 2505348c..16adac6 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -51,7 +51,7 @@
 struct net_device;
 
 typedef unsigned int nf_hookfn(unsigned int hooknum,
-			       struct sk_buff **skb,
+			       struct sk_buff *skb,
 			       const struct net_device *in,
 			       const struct net_device *out,
 			       int (*okfn)(struct sk_buff *));
@@ -183,7 +183,7 @@
 		   struct nf_loginfo *li,
 		   const char *fmt, ...);
 
-int nf_hook_slow(int pf, unsigned int hook, struct sk_buff **pskb,
+int nf_hook_slow(int pf, unsigned int hook, struct sk_buff *skb,
 		 struct net_device *indev, struct net_device *outdev,
 		 int (*okfn)(struct sk_buff *), int thresh);
 
@@ -195,7 +195,7 @@
  *	value indicates the packet has been consumed by the hook.
  */
 static inline int nf_hook_thresh(int pf, unsigned int hook,
-				 struct sk_buff **pskb,
+				 struct sk_buff *skb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
 				 int (*okfn)(struct sk_buff *), int thresh,
@@ -207,14 +207,14 @@
 	if (list_empty(&nf_hooks[pf][hook]))
 		return 1;
 #endif
-	return nf_hook_slow(pf, hook, pskb, indev, outdev, okfn, thresh);
+	return nf_hook_slow(pf, hook, skb, indev, outdev, okfn, thresh);
 }
 
-static inline int nf_hook(int pf, unsigned int hook, struct sk_buff **pskb,
+static inline int nf_hook(int pf, unsigned int hook, struct sk_buff *skb,
 			  struct net_device *indev, struct net_device *outdev,
 			  int (*okfn)(struct sk_buff *))
 {
-	return nf_hook_thresh(pf, hook, pskb, indev, outdev, okfn, INT_MIN, 1);
+	return nf_hook_thresh(pf, hook, skb, indev, outdev, okfn, INT_MIN, 1);
 }
                    
 /* Activate hook; either okfn or kfree_skb called, unless a hook
@@ -241,13 +241,13 @@
 
 #define NF_HOOK_THRESH(pf, hook, skb, indev, outdev, okfn, thresh)	       \
 ({int __ret;								       \
-if ((__ret=nf_hook_thresh(pf, hook, &(skb), indev, outdev, okfn, thresh, 1)) == 1)\
+if ((__ret=nf_hook_thresh(pf, hook, (skb), indev, outdev, okfn, thresh, 1)) == 1)\
 	__ret = (okfn)(skb);						       \
 __ret;})
 
 #define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond)		       \
 ({int __ret;								       \
-if ((__ret=nf_hook_thresh(pf, hook, &(skb), indev, outdev, okfn, INT_MIN, cond)) == 1)\
+if ((__ret=nf_hook_thresh(pf, hook, (skb), indev, outdev, okfn, INT_MIN, cond)) == 1)\
 	__ret = (okfn)(skb);						       \
 __ret;})
 
@@ -317,7 +317,7 @@
 				    unsigned int dataoff, u_int8_t protocol);
 	void		(*saveroute)(const struct sk_buff *skb,
 				     struct nf_info *info);
-	int		(*reroute)(struct sk_buff **skb,
+	int		(*reroute)(struct sk_buff *skb,
 				   const struct nf_info *info);
 	int		route_key_size;
 };
@@ -371,15 +371,15 @@
 #define NF_HOOK(pf, hook, skb, indev, outdev, okfn) (okfn)(skb)
 #define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond) (okfn)(skb)
 static inline int nf_hook_thresh(int pf, unsigned int hook,
-				 struct sk_buff **pskb,
+				 struct sk_buff *skb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
 				 int (*okfn)(struct sk_buff *), int thresh,
 				 int cond)
 {
-	return okfn(*pskb);
+	return okfn(skb);
 }
-static inline int nf_hook(int pf, unsigned int hook, struct sk_buff **pskb,
+static inline int nf_hook(int pf, unsigned int hook, struct sk_buff *skb,
 			  struct net_device *indev, struct net_device *outdev,
 			  int (*okfn)(struct sk_buff *))
 {
diff --git a/include/linux/netfilter/nf_conntrack_amanda.h b/include/linux/netfilter/nf_conntrack_amanda.h
index 26c2235..0bb5a69 100644
--- a/include/linux/netfilter/nf_conntrack_amanda.h
+++ b/include/linux/netfilter/nf_conntrack_amanda.h
@@ -2,7 +2,7 @@
 #define _NF_CONNTRACK_AMANDA_H
 /* AMANDA tracking. */
 
-extern unsigned int (*nf_nat_amanda_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_amanda_hook)(struct sk_buff *skb,
 					  enum ip_conntrack_info ctinfo,
 					  unsigned int matchoff,
 					  unsigned int matchlen,
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h
index b7c360f..47727d7 100644
--- a/include/linux/netfilter/nf_conntrack_ftp.h
+++ b/include/linux/netfilter/nf_conntrack_ftp.h
@@ -32,7 +32,7 @@
 
 /* For NAT to hook in when we find a packet which describes what other
  * connection we should expect. */
-extern unsigned int (*nf_nat_ftp_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_ftp_hook)(struct sk_buff *skb,
 				       enum ip_conntrack_info ctinfo,
 				       enum nf_ct_ftp_type type,
 				       unsigned int matchoff,
diff --git a/include/linux/netfilter/nf_conntrack_h323.h b/include/linux/netfilter/nf_conntrack_h323.h
index 08e2f49..aabd24a 100644
--- a/include/linux/netfilter/nf_conntrack_h323.h
+++ b/include/linux/netfilter/nf_conntrack_h323.h
@@ -36,27 +36,27 @@
 				     struct nf_conntrack_expect *this);
 extern void nf_conntrack_q931_expect(struct nf_conn *new,
 				     struct nf_conntrack_expect *this);
-extern int (*set_h245_addr_hook) (struct sk_buff **pskb,
+extern int (*set_h245_addr_hook) (struct sk_buff *skb,
 				  unsigned char **data, int dataoff,
 				  H245_TransportAddress *taddr,
 				  union nf_conntrack_address *addr,
 				  __be16 port);
-extern int (*set_h225_addr_hook) (struct sk_buff **pskb,
+extern int (*set_h225_addr_hook) (struct sk_buff *skb,
 				  unsigned char **data, int dataoff,
 				  TransportAddress *taddr,
 				  union nf_conntrack_address *addr,
 				  __be16 port);
-extern int (*set_sig_addr_hook) (struct sk_buff **pskb,
+extern int (*set_sig_addr_hook) (struct sk_buff *skb,
 				 struct nf_conn *ct,
 				 enum ip_conntrack_info ctinfo,
 				 unsigned char **data,
 				 TransportAddress *taddr, int count);
-extern int (*set_ras_addr_hook) (struct sk_buff **pskb,
+extern int (*set_ras_addr_hook) (struct sk_buff *skb,
 				 struct nf_conn *ct,
 				 enum ip_conntrack_info ctinfo,
 				 unsigned char **data,
 				 TransportAddress *taddr, int count);
-extern int (*nat_rtp_rtcp_hook) (struct sk_buff **pskb,
+extern int (*nat_rtp_rtcp_hook) (struct sk_buff *skb,
 				 struct nf_conn *ct,
 				 enum ip_conntrack_info ctinfo,
 				 unsigned char **data, int dataoff,
@@ -64,24 +64,24 @@
 				 __be16 port, __be16 rtp_port,
 				 struct nf_conntrack_expect *rtp_exp,
 				 struct nf_conntrack_expect *rtcp_exp);
-extern int (*nat_t120_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+extern int (*nat_t120_hook) (struct sk_buff *skb, struct nf_conn *ct,
 			     enum ip_conntrack_info ctinfo,
 			     unsigned char **data, int dataoff,
 			     H245_TransportAddress *taddr, __be16 port,
 			     struct nf_conntrack_expect *exp);
-extern int (*nat_h245_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+extern int (*nat_h245_hook) (struct sk_buff *skb, struct nf_conn *ct,
 			     enum ip_conntrack_info ctinfo,
 			     unsigned char **data, int dataoff,
 			     TransportAddress *taddr, __be16 port,
 			     struct nf_conntrack_expect *exp);
-extern int (*nat_callforwarding_hook) (struct sk_buff **pskb,
+extern int (*nat_callforwarding_hook) (struct sk_buff *skb,
 				       struct nf_conn *ct,
 				       enum ip_conntrack_info ctinfo,
 				       unsigned char **data, int dataoff,
 				       TransportAddress *taddr,
 				       __be16 port,
 				       struct nf_conntrack_expect *exp);
-extern int (*nat_q931_hook) (struct sk_buff **pskb, struct nf_conn *ct,
+extern int (*nat_q931_hook) (struct sk_buff *skb, struct nf_conn *ct,
 			     enum ip_conntrack_info ctinfo,
 			     unsigned char **data, TransportAddress *taddr,
 			     int idx, __be16 port,
diff --git a/include/linux/netfilter/nf_conntrack_irc.h b/include/linux/netfilter/nf_conntrack_irc.h
index 2ab6b82..36282bf 100644
--- a/include/linux/netfilter/nf_conntrack_irc.h
+++ b/include/linux/netfilter/nf_conntrack_irc.h
@@ -5,7 +5,7 @@
 
 #define IRC_PORT	6667
 
-extern unsigned int (*nf_nat_irc_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_irc_hook)(struct sk_buff *skb,
 				       enum ip_conntrack_info ctinfo,
 				       unsigned int matchoff,
 				       unsigned int matchlen,
diff --git a/include/linux/netfilter/nf_conntrack_pptp.h b/include/linux/netfilter/nf_conntrack_pptp.h
index c93061f..2343549 100644
--- a/include/linux/netfilter/nf_conntrack_pptp.h
+++ b/include/linux/netfilter/nf_conntrack_pptp.h
@@ -301,13 +301,13 @@
 struct nf_conntrack_expect;
 
 extern int
-(*nf_nat_pptp_hook_outbound)(struct sk_buff **pskb,
+(*nf_nat_pptp_hook_outbound)(struct sk_buff *skb,
 			     struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 			     struct PptpControlHeader *ctlh,
 			     union pptp_ctrl_union *pptpReq);
 
 extern int
-(*nf_nat_pptp_hook_inbound)(struct sk_buff **pskb,
+(*nf_nat_pptp_hook_inbound)(struct sk_buff *skb,
 			    struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 			    struct PptpControlHeader *ctlh,
 			    union pptp_ctrl_union *pptpReq);
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index bb7f204..9fff197 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -21,11 +21,11 @@
 	POS_SDP_HEADER,
 };
 
-extern unsigned int (*nf_nat_sip_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb,
 				       enum ip_conntrack_info ctinfo,
 				       struct nf_conn *ct,
 				       const char **dptr);
-extern unsigned int (*nf_nat_sdp_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_sdp_hook)(struct sk_buff *skb,
 				       enum ip_conntrack_info ctinfo,
 				       struct nf_conntrack_expect *exp,
 				       const char *dptr);
diff --git a/include/linux/netfilter/nf_conntrack_tftp.h b/include/linux/netfilter/nf_conntrack_tftp.h
index 0d79b7a..c78d38f 100644
--- a/include/linux/netfilter/nf_conntrack_tftp.h
+++ b/include/linux/netfilter/nf_conntrack_tftp.h
@@ -13,7 +13,7 @@
 #define TFTP_OPCODE_ACK		4
 #define TFTP_OPCODE_ERROR	5
 
-extern unsigned int (*nf_nat_tftp_hook)(struct sk_buff **pskb,
+extern unsigned int (*nf_nat_tftp_hook)(struct sk_buff *skb,
 				        enum ip_conntrack_info ctinfo,
 				        struct nf_conntrack_expect *exp);
 
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 64f425a8..03e6ce9 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -191,7 +191,7 @@
 	/* Returns verdict. Argument order changed since 2.6.9, as this
 	   must now handle non-linear skbs, using skb_copy_bits and
 	   skb_ip_make_writable. */
-	unsigned int (*target)(struct sk_buff **pskb,
+	unsigned int (*target)(struct sk_buff *skb,
 			       const struct net_device *in,
 			       const struct net_device *out,
 			       unsigned int hooknum,
diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h
index 584cd1b..2fc73fa 100644
--- a/include/linux/netfilter_arp/arp_tables.h
+++ b/include/linux/netfilter_arp/arp_tables.h
@@ -287,7 +287,7 @@
 extern int arpt_register_table(struct arpt_table *table,
 			       const struct arpt_replace *repl);
 extern void arpt_unregister_table(struct arpt_table *table);
-extern unsigned int arpt_do_table(struct sk_buff **pskb,
+extern unsigned int arpt_do_table(struct sk_buff *skb,
 				  unsigned int hook,
 				  const struct net_device *in,
 				  const struct net_device *out,
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 94e0a7d..892f5b7 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -237,7 +237,7 @@
 	struct list_head list;
 	const char name[EBT_FUNCTION_MAXNAMELEN];
 	/* returns one of the standard verdicts */
-	int (*target)(struct sk_buff **pskb, unsigned int hooknr,
+	int (*target)(struct sk_buff *skb, unsigned int hooknr,
 	   const struct net_device *in, const struct net_device *out,
 	   const void *targetdata, unsigned int datalen);
 	/* 0 == let it in */
@@ -294,7 +294,7 @@
 extern void ebt_unregister_watcher(struct ebt_watcher *watcher);
 extern int ebt_register_target(struct ebt_target *target);
 extern void ebt_unregister_target(struct ebt_target *target);
-extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff **pskb,
+extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff *skb,
    const struct net_device *in, const struct net_device *out,
    struct ebt_table *table);
 
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index ceae87a..1a63adf 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -75,8 +75,8 @@
 #define SO_ORIGINAL_DST 80
 
 #ifdef __KERNEL__
-extern int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type);
-extern int ip_xfrm_me_harder(struct sk_buff **pskb);
+extern int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type);
+extern int ip_xfrm_me_harder(struct sk_buff *skb);
 extern __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
 				   unsigned int dataoff, u_int8_t protocol);
 #endif /*__KERNEL__*/
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index e992cd6..d79ed69 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -337,7 +337,7 @@
 	.target.errorname = "ERROR",					       \
 }
 
-extern unsigned int ipt_do_table(struct sk_buff **pskb,
+extern unsigned int ipt_do_table(struct sk_buff *skb,
 				 unsigned int hook,
 				 const struct net_device *in,
 				 const struct net_device *out,
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index 9a720f0..7dc481c 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -336,7 +336,7 @@
 extern int ip6t_register_table(struct xt_table *table,
 			       const struct ip6t_replace *repl);
 extern void ip6t_unregister_table(struct xt_table *table);
-extern unsigned int ip6t_do_table(struct sk_buff **pskb,
+extern unsigned int ip6t_do_table(struct sk_buff *skb,
 				  unsigned int hook,
 				  const struct net_device *in,
 				  const struct net_device *out,