From: Mat Martineau <mathew.j.martineau(a)linux.intel.com>
Date: Tue, 29 Sep 2020 15:08:20 -0700

> The peer may send a DATA_FIN mapping with either a 32-bit or 64-bit
> sequence number. When a 32-bit sequence number is received for the
> DATA_FIN, it must be expanded to 64 bits before comparing it to the
> last acked sequence number. This expansion was missing.
> 
> Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/93
> Fixes: 3721b9b64676 (mptcp: Track received DATA_FIN sequence number and add related helpers)
> Signed-off-by: Mat Martineau <mathew.j.martineau(a)linux.intel.com>

The commit header text in a Fixes: tag should be inside of double quotes
as well as parenthesis, like ("this")

I fixed this up while applying this series, but please get it correct
next time.