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Diffstat (limited to 'net/ipv4/tcp_minisocks.c')
-rw-r--r--net/ipv4/tcp_minisocks.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 2e53981252d9..98c576d4b671 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -347,6 +347,21 @@ void tcp_twsk_destructor(struct sock *sk)
}
EXPORT_SYMBOL_GPL(tcp_twsk_destructor);
+void tcp_twsk_purge(struct list_head *net_exit_list, int family)
+{
+ struct net *net;
+
+ list_for_each_entry(net, net_exit_list, exit_list) {
+ /* The last refcount is decremented in tcp_sk_exit_batch() */
+ if (refcount_read(&net->ipv4.tcp_death_row.tw_refcount) == 1)
+ continue;
+
+ inet_twsk_purge(&tcp_hashinfo, family);
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(tcp_twsk_purge);
+
/* Warning : This function is called without sk_listener being locked.
* Be sure to read socket fields once, as their value could change under us.
*/