On 06/08/2015 11:35 AM, Shrijeet Mukherjee wrote:
From: Shrijeet Mukherjee <s...@cumulusnetworks.com>

This change is needed for the following VRF driver which creates
a routing domain and allows applications to bind to the domain.

No active code path changes.

Signed-off-by: Shrijeet Mukherjee <s...@cumulusnetworks.com>
---
  net/ipv4/fib_frontend.c |    1 +
  net/ipv4/fib_trie.c     |    2 ++
  2 files changed, 3 insertions(+)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 872494e..9d4cef4 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -108,6 +108,7 @@ struct fib_table *fib_new_table(struct net *net, u32 id)
        hlist_add_head_rcu(&tb->tb_hlist, &net->ipv4.fib_table_hash[h]);
        return tb;
  }
+EXPORT_SYMBOL_GPL(fib_new_table);

  /* caller must hold either rtnl or rcu read lock */
  struct fib_table *fib_get_table(struct net *net, u32 id)

So this block of code is wrapped in a #ifdef for CONFIG_IP_MULTIPLE_TABLES so anything that references it will need to make sure that it is defined.

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 01bce15..97fa62d 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1247,6 +1247,7 @@ out:
  err:
        return err;
  }
+EXPORT_SYMBOL_GPL(fib_table_insert);

  static inline t_key prefix_mismatch(t_key key, struct key_vector *n)
  {
@@ -1535,6 +1536,7 @@ int fib_table_delete(struct fib_table *tb, struct 
fib_config *cfg)
        alias_free_mem_rcu(fa_to_delete);
        return 0;
  }
+EXPORT_SYMBOL_GPL(fib_table_delete);

  /* Scan for the next leaf starting at the provided key value */
  static struct key_vector *leaf_walk_rcu(struct key_vector **tn, t_key key)


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