1 files changed, 5 insertions, 0 deletions

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 15bdc002d90c..84cd4e3fd01b 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -794,6 +794,11 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
         if (skb == NULL)
                 goto out_release;
 
+        if (sk->sk_state == DCCP_CLOSED) {
+                rc = -ENOTCONN;
+                goto out_discard;
+        }
+
         skb_reserve(skb, sk->sk_prot->max_header);
         rc = memcpy_from_msg(skb_put(skb, len), msg, len);
         if (rc != 0)