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-rw-r--r--net/mptcp/diag.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mptcp/diag.c b/net/mptcp/diag.c
index 6ff6f14674aa..7017dd60659d 100644
--- a/net/mptcp/diag.c
+++ b/net/mptcp/diag.c
@@ -21,6 +21,9 @@ static int subflow_get_info(struct sock *sk, struct sk_buff *skb)
bool slow;
int err;
+ if (inet_sk_state_load(sk) == TCP_LISTEN)
+ return 0;
+
start = nla_nest_start_noflag(skb, INET_ULP_INFO_MPTCP);
if (!start)
return -EMSGSIZE;