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Date:   Mon, 19 Oct 2020 18:23:15 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Matthieu Baerts <matthieu.baerts@...sares.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Peter Krystad <peter.krystad@...ux.intel.com>
Cc:     Geliang Tang <geliangtang@...il.com>, netdev@...r.kernel.org,
        mptcp@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [MPTCP][PATCH net-next 1/2] mptcp: initialize mptcp_options_received's ahmac

This patch initialize mptcp_options_received's ahmac to zero, otherwise it
will be a random number when receiving ADD_ADDR suboption with echo-flag=1.

Fixes: 3df523ab582c5 ("mptcp: Add ADD_ADDR handling")
Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 net/mptcp/options.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 092a2d48bfd3..1ff3469938b6 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -297,6 +297,7 @@ void mptcp_get_options(const struct sk_buff *skb,
 	mp_opt->mp_capable = 0;
 	mp_opt->mp_join = 0;
 	mp_opt->add_addr = 0;
+	mp_opt->ahmac = 0;
 	mp_opt->rm_addr = 0;
 	mp_opt->dss = 0;
 
-- 
2.26.2

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