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-rw-r--r--net/mptcp/options.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 8ed2d9f4a84d..645dd984fef0 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -845,10 +845,13 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
if (mptcp_established_options_mp(sk, skb, snd_data_fin, &opt_size, remaining, opts))
ret = true;
else if (mptcp_established_options_dss(sk, skb, snd_data_fin, &opt_size, remaining, opts)) {
+ unsigned int mp_fail_size;
+
ret = true;
- if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
- *size += opt_size;
- remaining -= opt_size;
+ if (mptcp_established_options_mp_fail(sk, &mp_fail_size,
+ remaining - opt_size, opts)) {
+ *size += opt_size + mp_fail_size;
+ remaining -= opt_size - mp_fail_size;
return true;
}
}
@@ -1331,6 +1334,7 @@ void mptcp_write_options(__be32 *ptr, const struct tcp_sock *tp,
put_unaligned_be32(mpext->data_len << 16 |
TCPOPT_NOP << 8 | TCPOPT_NOP, ptr);
}
+ ptr += 1;
}
} else if (OPTIONS_MPTCP_MPC & opts->suboptions) {
u8 len, flag = MPTCP_CAP_HMAC_SHA256;