[IPV6]: Make address arguments const.

- net/ipv6/addrconf.c:
	ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
	ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
	inet6_mc_check(),
	ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
	ipv6_chk_mcast_addr()
- net/ipv6/route.c:
	rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
	ip6_nd_hdr()
- net/ipv6/ndisc.c:
	ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
	ndisc_get_neigh(), __ndisc_send()

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 9 insertions, 11 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 2e6a53f3cc38..0a0132a1c443 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -127,8 +127,6 @@ static struct in6_addr mld2_all_mcr = MLD2_ALL_MCR_INIT;
 /* Big mc list lock for all the sockets */
 static DEFINE_RWLOCK(ipv6_sk_mc_lock);
 
-int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr);
-
 static void igmp6_join_group(struct ifmcaddr6 *ma);
 static void igmp6_leave_group(struct ifmcaddr6 *ma);
 static void igmp6_timer_handler(unsigned long data);
@@ -177,7 +175,7 @@ int sysctl_mld_max_msf __read_mostly = IPV6_MLD_MAX_MSF;
  *      socket join on multicast group
  */
 
-int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
 {
         struct net_device *dev = NULL;
         struct ipv6_mc_socklist *mc_lst;
@@ -252,7 +250,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, struct in6_addr *addr)
 /*
  *      socket leave on multicast group
  */
-int ipv6_sock_mc_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
 {
         struct ipv6_pinfo *np = inet6_sk(sk);
         struct ipv6_mc_socklist *mc_lst, **lnk;
@@ -664,8 +662,8 @@ done:
         return err;
 }
 
-int inet6_mc_check(struct sock *sk, struct in6_addr *mc_addr,
-        struct in6_addr *src_addr)
+int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+                   const struct in6_addr *src_addr)
 {
         struct ipv6_pinfo *np = inet6_sk(sk);
         struct ipv6_mc_socklist *mc;
@@ -871,7 +869,7 @@ static void mld_clear_delrec(struct inet6_dev *idev)
 /*
  *      device multicast group inc (add if not found)
  */
-int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
 {
         struct ifmcaddr6 *mc;
         struct inet6_dev *idev;
@@ -942,7 +940,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, struct in6_addr *addr)
 /*
  *      device multicast group del
  */
-int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
+int __ipv6_dev_mc_dec(struct inet6_dev *idev, const struct in6_addr *addr)
 {
         struct ifmcaddr6 *ma, **map;
 
@@ -967,7 +965,7 @@ int __ipv6_dev_mc_dec(struct inet6_dev *idev, struct in6_addr *addr)
         return -ENOENT;
 }
 
-int ipv6_dev_mc_dec(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
 {
         struct inet6_dev *idev = in6_dev_get(dev);
         int err;
@@ -1012,8 +1010,8 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
 /*
  *      check if the interface/address pair is valid
  */
-int ipv6_chk_mcast_addr(struct net_device *dev, struct in6_addr *group,
-        struct in6_addr *src_addr)
+int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+                        const struct in6_addr *src_addr)
 {
         struct inet6_dev *idev;
         struct ifmcaddr6 *mc;