1 files changed, 6 insertions, 0 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 88409b13c9d2..49c74c0d0d21 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2473,6 +2473,7 @@ static int __net_init tcp_sk_init(struct net *net)
         net->ipv4.sysctl_tcp_timestamps = 1;
 
         net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;
+        spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock);
 
         return 0;
 fail:
@@ -2483,7 +2484,12 @@ fail:
 
 static void __net_exit tcp_sk_exit_batch(struct list_head *net_exit_list)
 {
+        struct net *net;
+
         inet_twsk_purge(&tcp_hashinfo, AF_INET);
+
+        list_for_each_entry(net, net_exit_list, exit_list)
+                tcp_fastopen_ctx_destroy(net);
 }
 
 static struct pernet_operations __net_initdata tcp_sk_ops = {