From: <Markus.Amend@xxxxxxxxxx> Date: Fri, 22 Mar 2019 14:34:58 +0000 > @@ -786,7 +787,8 @@ static int dccp_v4_rcv(struct sk_buff *skb) > > iph = ip_hdr(skb); > /* Step 1: If header checksum is incorrect, drop packet and return */ > - if (dccp_v4_csum_finish(skb, iph->saddr, iph->daddr)) { > + if (__skb_checksum_validate(skb, IPPROTO_DCCP, > + true, false, 0, inet_compute_pseudo)) { The arguments on the second and subsequent lines of a function call must begin precisely at the first column after the openning parenthesis of the first line of the function call. You must use the appropriate number of TAB, then SPACE, characters necessary to achieve this.