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mptcp: receive checksum for DSS
authorGeliang Tang <geliangtang@gmail.com>
Thu, 17 Jun 2021 23:46:15 +0000 (16:46 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Jun 2021 18:40:11 +0000 (11:40 -0700)
commit390b95a5fb84e7999eedb021382c96d1500e01fc
tree92a105a86cfc3ea492f0c83ba0227be414ff2e4d
parent208e8f66926c5d73e3f359385c1dd49dbc48d067
mptcp: receive checksum for DSS

In mptcp_parse_option, adjust the expected_opsize, and always parse the
data checksum value from the receiving DSS regardless of csum presence.
Then save it in mp_opt->csum.

Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/mptcp/options.c