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udp: Export code sk lookup routines

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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Pavel Emelyanov 2011-12-09 06:23:34 +00:00 • committed by David S. Miller
commit fce823381e
3 changed files with 10 additions and 2 deletions
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3
net/ipv4/udp.c
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@ -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,