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Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 3796d1bfef6b..3722a8580b61 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2352,12 +2352,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
goto out;
}
- /* if we are invoked by the msk cleanup code, the subflow is
- * already orphaned
- */
- if (ssk->sk_socket)
- sock_orphan(ssk);
-
+ sock_orphan(ssk);
subflow->disposable = 1;
/* if ssk hit tcp_done(), tcp_cleanup_ulp() cleared the related ops
@@ -2940,7 +2935,11 @@ cleanup:
if (ssk == msk->first)
subflow->fail_tout = 0;
- sock_orphan(ssk);
+ /* detach from the parent socket, but allow data_ready to
+ * push incoming data into the mptcp stack, to properly ack it
+ */
+ ssk->sk_socket = NULL;
+ ssk->sk_wq = NULL;
unlock_sock_fast(ssk, slow);
}
sock_orphan(sk);