--- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -489,7 +489,6 @@ static int dccp_v4_send_response(struct sock *sk, struct request_sock *req, dh->dccph_checksum = dccp_v4_csum_finish(skb, ireq->loc_addr, ireq->rmt_addr); - memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); err = ip_build_and_send_pkt(skb, sk, ireq->loc_addr, ireq->rmt_addr, ireq->opt); --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -126,7 +126,6 @@ static int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb) DCCP_INC_STATS(DCCP_MIB_OUTSEGS); - memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); err = icsk->icsk_af_ops->queue_xmit(skb, 0); return net_xmit_eval(err); }