Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

[platform/kernel/linux-starfive.git] / net / mptcp / protocol.c

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index d77ca57..2caad4a 100644 (file)
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -502,13 +502,18 @@ static inline bool tcp_can_send_ack(const struct sock *ssk)
               (TCPF_SYN_SENT | TCPF_SYN_RECV | TCPF_TIME_WAIT | TCPF_CLOSE | TCPF_LISTEN));
 }
 
+void __mptcp_subflow_send_ack(struct sock *ssk)
+{
+       if (tcp_can_send_ack(ssk))
+               tcp_send_ack(ssk);
+}
+
 void mptcp_subflow_send_ack(struct sock *ssk)
 {
        bool slow;
 
        slow = lock_sock_fast(ssk);
-       if (tcp_can_send_ack(ssk))
-               tcp_send_ack(ssk);
+       __mptcp_subflow_send_ack(ssk);
        unlock_sock_fast(ssk, slow);
 }