udp: Export code sk lookup routines

The UDP diag get_exact handler will require them to find a
socket by provided net, [sd]addr-s, [sd]ports and device.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ad481b32f1e3..5d075b5f70fc 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -445,7 +445,7 @@ exact_match:
 /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
  * harder than this. -DaveM
  */
-static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
+struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr,
                 __be16 sport, __be32 daddr, __be16 dport,
                 int dif, struct udp_table *udptable)
 {
@@ -512,6 +512,7 @@ begin:
         rcu_read_unlock();
         return result;
 }
+EXPORT_SYMBOL_GPL(__udp4_lib_lookup);
 
 static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb,
                                                  __be16 sport, __be16 dport,