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udp: add missing rehash callback to udplite

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After commit 4cdeeee925 ("net: udp: prefer listeners bound to an
address"), UDP-Lite only works when specifying a local address for
the sockets.

This is related to the problem addressed in the commit 719f835853
("udp: add rehash on connect()"). Moreover, __udp4_lib_lookup() now
looks for a socket immediately in the secondary hash table.

The issue was found with LTP/network tests (UDP-Lite test-cases).

Fixes: 4cdeeee925 ("net: udp: prefer listeners bound to an address")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Kodanev
2019-01-16 19:17:44 +03:00
committed by David S. Miller
parent 2cddd20147
commit 8f6b539285
3 changed files with 3 additions and 1 deletions
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1
net/ipv4/udp_impl.h
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@@ -10,6 +10,7 @@ int __udp4_lib_rcv(struct sk_buff *, struct udp_table *, int);
int __udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
int udp_v4_get_port(struct sock *sk, unsigned short snum);
void udp_v4_rehash(struct sock *sk);
int udp_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen);