mptcp: use MPTCPOPT_HMAC_LEN macro

Use the macro MPTCPOPT_HMAC_LEN instead of a constant in struct
mptcp_options_received.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index f6c3c68..a5bc959 100644 (file)
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -119,7 +119,7 @@ struct mptcp_options_received {
        u32     token;
        u32     nonce;
        u64     thmac;
-       u8      hmac[20];
+       u8      hmac[MPTCPOPT_HMAC_LEN];
        u8      join_id;
        u8      use_map:1,
                dsn64:1,