ipv6: drop unused "dev" arg of icmpv6_send()

Dunno, what was the idea, it wasn't used for a long time.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

16 files changed, 31 insertions, 36 deletions

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a2a5983dbf03..c0c5274d0271 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -793,7 +793,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                 }
 
                 if (mtu >= IPV6_MIN_MTU && mtu < skb->len - tunnel->hlen + gre_hlen) {
-                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                         ip_rt_put(rt);
                         goto tx_error;
                 }
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 4bac362b1335..074f2c084f9f 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -481,7 +481,7 @@ looped_back:
                         IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INHDRERRORS);
                         icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
-                                    0, skb->dev);
+                                    0);
                         kfree_skb(skb);
                         return -1;
                 }
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 9a37379d741a..eb9abe24bdf0 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -114,7 +114,7 @@ static __inline__ void icmpv6_xmit_unlock(struct sock *sk)
  */
 void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
-        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
+        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos);
         kfree_skb(skb);
 }
 
@@ -300,8 +300,7 @@ static inline void mip6_addr_swap(struct sk_buff *skb) {}
 /*
  *      Send an ICMP message in response to a packet in error
  */
-void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
-                 struct net_device *dev)
+void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
 {
         struct net *net = dev_net(skb->dev);
         struct inet6_dev *idev = NULL;
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 237e2dba6e94..e28f9203deca 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -216,8 +216,7 @@ resubmit:
                                 IP6_INC_STATS_BH(net, idev,
                                                  IPSTATS_MIB_INUNKNOWNPROTOS);
                                 icmpv6_send(skb, ICMPV6_PARAMPROB,
-                                            ICMPV6_UNK_NEXTHDR, nhoff,
-                                            skb->dev);
+                                            ICMPV6_UNK_NEXTHDR, nhoff);
                         }
                 } else
                         IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index eb6d09728633..1a5fe9ad1947 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -267,7 +267,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
         if (net_ratelimit())
                 printk(KERN_DEBUG "IPv6: sending pkt_too_big to self\n");
         skb->dev = dst->dev;
-        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
         IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_FRAGFAILS);
         kfree_skb(skb);
         return -EMSGSIZE;
@@ -441,8 +441,7 @@ int ip6_forward(struct sk_buff *skb)
         if (hdr->hop_limit <= 1) {
                 /* Force OUTPUT device used as source address */
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
-                            0, skb->dev);
+                icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 0);
                 IP6_INC_STATS_BH(net,
                                  ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS);
 
@@ -504,7 +503,7 @@ int ip6_forward(struct sk_buff *skb)
                         goto error;
                 if (addrtype & IPV6_ADDR_LINKLOCAL) {
                         icmpv6_send(skb, ICMPV6_DEST_UNREACH,
-                                ICMPV6_NOT_NEIGHBOUR, 0, skb->dev);
+                                    ICMPV6_NOT_NEIGHBOUR, 0);
                         goto error;
                 }
         }
@@ -512,7 +511,7 @@ int ip6_forward(struct sk_buff *skb)
         if (skb->len > dst_mtu(dst)) {
                 /* Again, force OUTPUT device used as source address */
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst), skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst));
                 IP6_INC_STATS_BH(net,
                                  ip6_dst_idev(dst), IPSTATS_MIB_INTOOBIGERRORS);
                 IP6_INC_STATS_BH(net,
@@ -627,7 +626,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          */
         if (!skb->local_df) {
                 skb->dev = skb_dst(skb)->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                               IPSTATS_MIB_FRAGFAILS);
                 kfree_skb(skb);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 9b02492d8706..138980eec214 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -622,7 +622,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 if (rt && rt->rt6i_dev)
                         skb2->dev = rt->rt6i_dev;
 
-                icmpv6_send(skb2, rel_type, rel_code, rel_info, skb2->dev);
+                icmpv6_send(skb2, rel_type, rel_code, rel_info);
 
                 if (rt)
                         dst_release(&rt->u.dst);
@@ -1014,7 +1014,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                 tel = (struct ipv6_tlv_tnl_enc_lim *)&skb_network_header(skb)[offset];
                 if (tel->encap_limit == 0) {
                         icmpv6_send(skb, ICMPV6_PARAMPROB,
-                                    ICMPV6_HDR_FIELD, offset + 2, skb->dev);
+                                    ICMPV6_HDR_FIELD, offset + 2);
                         return -1;
                 }
                 encap_limit = tel->encap_limit - 1;
@@ -1033,7 +1033,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
         err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
         if (err != 0) {
                 if (err == -EMSGSIZE)
-                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 return -1;
         }
 
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index f797e8c6f3b3..2794b6002836 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -56,7 +56,7 @@ static inline void *mip6_padn(__u8 *data, __u8 padlen)
 
 static inline void mip6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
-        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
+        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos);
 }
 
 static int mip6_mh_len(int type)
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 8311ca31816a..dd8afbaf00a8 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -169,7 +169,7 @@ send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code,
         if (hooknum == NF_INET_LOCAL_OUT && skb_in->dev == NULL)
                 skb_in->dev = net->loopback_dev;
 
-        icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0, NULL);
+        icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0);
 }
 
 static unsigned int
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index b2847ed6a7d9..a555156e9779 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -228,7 +228,7 @@ static void ip6_frag_expire(unsigned long data)
            pointer directly, device might already disappeared.
          */
         fq->q.fragments->dev = dev;
-        icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev);
+        icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0);
 out_rcu_unlock:
         rcu_read_unlock();
 out:
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8500156f2637..88c0a5c49ae8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -909,7 +909,7 @@ static void ip6_link_failure(struct sk_buff *skb)
 {
         struct rt6_info *rt;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0);
 
         rt = (struct rt6_info *) skb_dst(skb);
         if (rt) {
@@ -1884,7 +1884,7 @@ static int ip6_pkt_drop(struct sk_buff *skb, u8 code, int ipstats_mib_noroutes)
                               ipstats_mib_noroutes);
                 break;
         }
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0);
         kfree_skb(skb);
         return 0;
 }
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 96eb2d4641c4..b1eea811be48 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -743,7 +743,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
                         skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
                 if (skb->len > mtu) {
-                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                         ip_rt_put(rt);
                         goto tx_error;
                 }
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 51e2832d13a6..e17bc1dfc1a4 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -98,7 +98,7 @@ static int tunnel6_rcv(struct sk_buff *skb)
                 if (!handler->handler(skb))
                         return 0;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
 drop:
         kfree_skb(skb);
@@ -116,7 +116,7 @@ static int tunnel46_rcv(struct sk_buff *skb)
                 if (!handler->handler(skb))
                         return 0;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
 drop:
         kfree_skb(skb);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index a7af9d68cd6c..52b8347ae3b2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -680,12 +680,11 @@ static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh,
 int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
                    int proto)
 {
+        struct net *net = dev_net(skb->dev);
         struct sock *sk;
         struct udphdr *uh;
-        struct net_device *dev = skb->dev;
         struct in6_addr *saddr, *daddr;
         u32 ulen = 0;
-        struct net *net = dev_net(skb->dev);
 
         if (!pskb_may_pull(skb, sizeof(struct udphdr)))
                 goto short_packet;
@@ -744,7 +743,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
                 UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS,
                                 proto == IPPROTO_UDPLITE);
 
-                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, dev);
+                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
                 kfree_skb(skb);
                 return 0;
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index c4f4eef032a3..0c92112dcba3 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -38,7 +38,7 @@ static int xfrm6_tunnel_check_size(struct sk_buff *skb)
 
         if (!skb->local_df && skb->len > mtu) {
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 ret = -EMSGSIZE;
         }
 
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 72e96d823ebf..44590887a92c 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -515,8 +515,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
          */
 #ifdef CONFIG_IP_VS_IPV6
         if (svc->af == AF_INET6)
-                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0,
-                            skb->dev);
+                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
         else
 #endif
                 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
@@ -1048,7 +1047,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb,
                                                 icmpv6_send(skb,
                                                             ICMPV6_DEST_UNREACH,
                                                             ICMPV6_PORT_UNREACH,
-                                                            0, skb->dev);
+                                                            0);
                                         else
 #endif
                                                 icmp_send(skb,
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 30b3189bd29c..223b5018c7dc 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -311,7 +311,7 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         mtu = dst_mtu(&rt->u.dst);
         if (skb->len > mtu) {
                 dst_release(&rt->u.dst);
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP_VS_DBG_RL("%s(): frag needed\n", __func__);
                 goto tx_error;
         }
@@ -454,7 +454,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         mtu = dst_mtu(&rt->u.dst);
         if (skb->len > mtu) {
                 dst_release(&rt->u.dst);
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP_VS_DBG_RL_PKT(0, pp, skb, 0,
                                  "ip_vs_nat_xmit_v6(): frag needed for");
                 goto tx_error;
@@ -672,7 +672,7 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
                 skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr)) {
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 dst_release(&rt->u.dst);
                 IP_VS_DBG_RL("%s(): frag needed\n", __func__);
                 goto tx_error;
@@ -814,7 +814,7 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         /* MTU checking */
         mtu = dst_mtu(&rt->u.dst);
         if (skb->len > mtu) {
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 dst_release(&rt->u.dst);
                 IP_VS_DBG_RL("%s(): frag needed\n", __func__);
                 goto tx_error;
@@ -965,7 +965,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         mtu = dst_mtu(&rt->u.dst);
         if (skb->len > mtu) {
                 dst_release(&rt->u.dst);
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP_VS_DBG_RL("%s(): frag needed\n", __func__);
                 goto tx_error;
         }