commit b71d1d426d263b0b6cb5760322efebbfc89d4463
author Eric Dumazet <eric.dumazet@gmail.com> Fri Apr 22 04:53:02 2011 +0000
committer David S. Miller <davem@davemloft.net> Fri Apr 22 11:04:14 2011 -0700
tree 226ca7390bd6187ec9139d2ccedd26fd94d8e57a
parent 5f8629c526b4f7e529a6d27bbd802c0dc7fcc357

inet: constify ip headers and in6_addr

Add const qualifiers to structs iphdr, ipv6hdr and in6_addr pointers
where possible, to make code intention more obvious.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/addrconf.h

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 23710aa..7c4d92c 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -61,16 +61,16 @@
 						     void __user *arg);
 
 extern int			ipv6_chk_addr(struct net *net,
-					      struct in6_addr *addr,
+					      const struct in6_addr *addr,
 					      struct net_device *dev,
 					      int strict);
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 extern int			ipv6_chk_home_addr(struct net *net,
-						   struct in6_addr *addr);
+						   const struct in6_addr *addr);
 #endif
 
-extern int			ipv6_chk_prefix(struct in6_addr *addr,
+extern int			ipv6_chk_prefix(const struct in6_addr *addr,
 						struct net_device *dev);
 
 extern struct inet6_ifaddr      *ipv6_get_ifaddr(struct net *net,
@@ -89,9 +89,9 @@
 extern int 			ipv6_rcv_saddr_equal(const struct sock *sk,
 						    const struct sock *sk2);
 extern void			addrconf_join_solict(struct net_device *dev,
-					struct in6_addr *addr);
+					const struct in6_addr *addr);
 extern void			addrconf_leave_solict(struct inet6_dev *idev,
-					struct in6_addr *addr);
+					const struct in6_addr *addr);
 
 static inline unsigned long addrconf_timeout_fixup(u32 timeout,
 						    unsigned unit)
@@ -158,15 +158,15 @@
 /*
  *	anycast prototypes (anycast.c)
  */
-extern int ipv6_sock_ac_join(struct sock *sk,int ifindex,struct in6_addr *addr);
-extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex,struct in6_addr *addr);
+extern int ipv6_sock_ac_join(struct sock *sk,int ifindex, const struct in6_addr *addr);
+extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex, const struct in6_addr *addr);
 extern void ipv6_sock_ac_close(struct sock *sk);
-extern int inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex);
+extern int inet6_ac_check(struct sock *sk, const struct in6_addr *addr, int ifindex);
 
-extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
-extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
+extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
 extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
-			       struct in6_addr *addr);
+			       const struct in6_addr *addr);
 
 
 /* Device notifier */