* [MPTCP] [PATCH 2/2] mptcp: Ignore incoming MPTCP options when not MP_CAPABLE
@ 2019-10-22 22:54 Peter Krystad
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From: Peter Krystad @ 2019-10-22 22:54 UTC (permalink / raw)
To: mptcp
[-- Attachment #1: Type: text/plain, Size: 714 bytes --]
Any options received on a fallback subflow should be ignored.
squashto: Add handling of incoming MP_JOIN requests
Signed-off-by: Peter Krystad <peter.krystad(a)linux.intel.com>
---
net/mptcp/options.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index dcd7273e488c..1b08e1193991 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -591,7 +591,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
struct mptcp_options_received *mp_opt;
struct mptcp_ext *mpext;
- if (!subflow->mp_capable)
+ if (!subflow->mp_capable && !subflow->mp_join)
return;
mp_opt = &opt_rx->mptcp;
--
2.17.2
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2019-10-22 22:54 [MPTCP] [PATCH 2/2] mptcp: Ignore incoming MPTCP options when not MP_CAPABLE Peter Krystad
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