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Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index a57f3eab7b6a..b1075fc3d3b3 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2264,13 +2264,12 @@ static void mptcp_worker(struct work_struct *work)
__mptcp_check_send_data_fin(sk);
mptcp_check_data_fin(sk);
- /* if the msk data is completely acked, or the socket timedout,
- * there is no point in keeping around an orphaned sk
+ /* There is no point in keeping around an orphaned sk timedout or
+ * closed, but we need the msk around to reply to incoming DATA_FIN,
+ * even if it is orphaned and in FIN_WAIT2 state
*/
if (sock_flag(sk, SOCK_DEAD) &&
- (mptcp_check_close_timeout(sk) ||
- (state != sk->sk_state &&
- ((1 << inet_sk_state_load(sk)) & (TCPF_CLOSE | TCPF_FIN_WAIT2))))) {
+ (mptcp_check_close_timeout(sk) || sk->sk_state == TCP_CLOSE)) {
inet_sk_state_store(sk, TCP_CLOSE);
__mptcp_destroy_sock(sk);
goto unlock;