[NETNS][IPV6] rt6_info - make rt6_info accessed as a pointer

This patch make mindless changes and prepares the code to use dynamic
allocation for rt6_info structure. The code accesses the rt6_info
structure as a pointer instead of a global static variable.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 9 deletions

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 1c2566e3d392..f028f7a1a446 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -200,7 +200,7 @@ static struct fib6_table *fib6_alloc_table(u32 id)
         table = kzalloc(sizeof(*table), GFP_ATOMIC);
         if (table != NULL) {
                 table->tb6_id = id;
-                table->tb6_root.leaf = &ip6_null_entry;
+                table->tb6_root.leaf = ip6_null_entry;
                 table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
         }
 
@@ -717,8 +717,8 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
                         if (sfn == NULL)
                                 goto st_failure;
 
-                        sfn->leaf = &ip6_null_entry;
-                        atomic_inc(&ip6_null_entry.rt6i_ref);
+                        sfn->leaf = ip6_null_entry;
+                        atomic_inc(&ip6_null_entry->rt6i_ref);
                         sfn->fn_flags = RTN_ROOT;
                         sfn->fn_sernum = fib6_new_sernum();
 
@@ -777,7 +777,7 @@ out:
 #if RT6_DEBUG >= 2
                         if (!pn->leaf) {
                                 BUG_TRAP(pn->leaf != NULL);
-                                pn->leaf = &ip6_null_entry;
+                                pn->leaf = ip6_null_entry;
                         }
 #endif
                         atomic_inc(&pn->leaf->rt6i_ref);
@@ -962,7 +962,7 @@ struct fib6_node * fib6_locate(struct fib6_node *root,
 static struct rt6_info * fib6_find_prefix(struct fib6_node *fn)
 {
         if (fn->fn_flags&RTN_ROOT)
-                return &ip6_null_entry;
+                return ip6_null_entry;
 
         while(fn) {
                 if(fn->left)
@@ -1012,7 +1012,7 @@ static struct fib6_node * fib6_repair_tree(struct fib6_node *fn)
 #if RT6_DEBUG >= 2
                         if (fn->leaf==NULL) {
                                 BUG_TRAP(fn->leaf);
-                                fn->leaf = &ip6_null_entry;
+                                fn->leaf = ip6_null_entry;
                         }
 #endif
                         atomic_inc(&fn->leaf->rt6i_ref);
@@ -1154,7 +1154,7 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
                 return -ENOENT;
         }
 #endif
-        if (fn == NULL || rt == &ip6_null_entry)
+        if (fn == NULL || rt == ip6_null_entry)
                 return -ENOENT;
 
         BUG_TRAP(fn->fn_flags&RTN_RTINFO);
@@ -1501,7 +1501,7 @@ static int fib6_net_init(struct net *net)
                 goto out_fib_table_hash;
 
         net->ipv6.fib6_main_tbl->tb6_id = RT6_TABLE_MAIN;
-        net->ipv6.fib6_main_tbl->tb6_root.leaf = &ip6_null_entry;
+        net->ipv6.fib6_main_tbl->tb6_root.leaf = ip6_null_entry;
         net->ipv6.fib6_main_tbl->tb6_root.fn_flags =
                 RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
 
@@ -1511,7 +1511,7 @@ static int fib6_net_init(struct net *net)
         if (!net->ipv6.fib6_local_tbl)
                 goto out_fib6_main_tbl;
         net->ipv6.fib6_local_tbl->tb6_id = RT6_TABLE_LOCAL;
-        net->ipv6.fib6_local_tbl->tb6_root.leaf = &ip6_null_entry;
+        net->ipv6.fib6_local_tbl->tb6_root.leaf = ip6_null_entry;
         net->ipv6.fib6_local_tbl->tb6_root.fn_flags =
                 RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
 #endif