change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/net/ipv4/udp_tunnel_core.c
..
..
@@ -194,6 +194,7 @@
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 void udp_tunnel_sock_release(struct socket *sock)
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 {
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 	rcu_assign_sk_user_data(sock->sk, NULL);
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+	synchronize_rcu();
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 	kernel_sock_shutdown(sock, SHUT_RDWR);
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 	sock_release(sock);
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 }