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(parent: 01d84a5) | patch
mptcp: fix 'use_ack' option access.
authorPaolo Abeni <pabeni@redhat.com>
Thu, 30 Apr 2020 13:01:54 +0000 (15:01 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 30 Apr 2020 19:23:22 +0000 (12:23 -0700)
commitf0c07d64f12090b00a55ffae202aaefa571b15cc
treeb37d96ed1fc96dcb3fa7fb5b86ee8fe962b89097tree | snapshot
parent01d84a5241ead6666acaca64f144e6f734c212b6commit | diff
mptcp: fix 'use_ack' option access.

The mentioned RX option field is initialized only for DSS
packet, we must access it only if 'dss' is set too, or
the subflow will end-up in a bad status, leading to
RFC violations.

Fixes: 8c76371ac6ff ("mptcp: process MP_CAPABLE data option")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/mptcp/options.c diff | blob | history
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