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| H A D | protocol.c | diff 12f353fac65d6cd7ed4658ed0467c60b1cdb02d6 Tue Dec 19 15:31:04 CST 2023 Davide Caratti <dcaratti@redhat.com> mptcp: don't overwrite sock_ops in mptcp_is_tcpsk()
commit 8e2b8a9fa512709e6fee744dcd4e2a20ee7f5c56 upstream.
Eric Dumazet suggests:
> The fact that mptcp_is_tcpsk() was able to write over sock->ops was a
> bit strange to me.
> mptcp_is_tcpsk() should answer a question, with a read-only argument.
re-factor code to avoid overwriting sock_ops inside that function. Also,
change the helper name to reflect the semantics and to disambiguate from
its dual, sk_is_mptcp(). While at it, collapse mptcp_stream_accept() and
mptcp_accept() into a single function, where fallback / non-fallback are
separated into a single sk_is_mptcp() conditional.
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/432
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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