1 files changed, 3 insertions, 0 deletions

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index b4b10cbd8880..46cb3490d48e 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -278,6 +278,9 @@ static inline int dccp_listen_start(struct sock *sk, int backlog)
         struct dccp_sock *dp = dccp_sk(sk);
 
         dp->dccps_role = DCCP_ROLE_LISTEN;
+        /* do not start to listen if feature negotiation setup fails */
+        if (dccp_feat_finalise_settings(dp))
+                return -EPROTO;
         return inet_csk_listen_start(sk, backlog);
 }