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-rw-r--r--net/mptcp/options.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index c5328f407aab..e8a1adf299d8 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -606,6 +606,8 @@ static bool mptcp_established_options_add_addr(struct sock *sk, struct sk_buff *
skb && skb_is_tcp_pure_ack(skb)) {
pr_debug("drop other suboptions");
opts->suboptions = 0;
+ opts->ext_copy.use_ack = 0;
+ opts->ext_copy.use_map = 0;
remaining += opt_size;
drop_other_suboptions = true;
}