Hi all,

After merging the netfilter-next tree, today's linux-next build (x86_64
allmodconfig) failed like this:

net/ipv4/netfilter/ipt_ECN.c: In function 'set_ect_tcp':
net/ipv4/netfilter/ipt_ECN.c:58:28: error: 'IPT_ECN_OP_SET_ECE' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_ECE'?
  if ((!(einfo->operation & IPT_ECN_OP_SET_ECE) ||
                            ^~~~~~~~~~~~~~~~~~
                            IPT_ECN_OP_MATCH_ECE
net/ipv4/netfilter/ipt_ECN.c:58:28: note: each undeclared identifier is reported only once for each function it appears in
net/ipv4/netfilter/ipt_ECN.c:60:28: error: 'IPT_ECN_OP_SET_CWR' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_CWR'?
      (!(einfo->operation & IPT_ECN_OP_SET_CWR) ||
                            ^~~~~~~~~~~~~~~~~~
                            IPT_ECN_OP_MATCH_CWR
net/ipv4/netfilter/ipt_ECN.c: In function 'ecn_tg':
net/ipv4/netfilter/ipt_ECN.c:84:25: error: 'IPT_ECN_OP_SET_IP' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_IP'?
  if (einfo->operation & IPT_ECN_OP_SET_IP)
                         ^~~~~~~~~~~~~~~~~
                         IPT_ECN_OP_MATCH_IP
net/ipv4/netfilter/ipt_ECN.c:88:26: error: 'IPT_ECN_OP_SET_ECE' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_ECE'?
  if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR) &&
                          ^~~~~~~~~~~~~~~~~~
                          IPT_ECN_OP_MATCH_ECE
net/ipv4/netfilter/ipt_ECN.c:88:47: error: 'IPT_ECN_OP_SET_CWR' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_CWR'?
  if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR) &&
                                               ^~~~~~~~~~~~~~~~~~
                                               IPT_ECN_OP_MATCH_CWR
net/ipv4/netfilter/ipt_ECN.c: In function 'ecn_tg_check':
net/ipv4/netfilter/ipt_ECN.c:101:25: error: 'IPT_ECN_OP_MASK' undeclared (first use in this function); did you mean 'IPT_ECN_IP_MASK'?
  if (einfo->operation & IPT_ECN_OP_MASK)
                         ^~~~~~~~~~~~~~~
                         IPT_ECN_IP_MASK
net/ipv4/netfilter/ipt_ECN.c:107:27: error: 'IPT_ECN_OP_SET_ECE' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_ECE'?
  if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
                           ^~~~~~~~~~~~~~~~~~
                           IPT_ECN_OP_MATCH_ECE
net/ipv4/netfilter/ipt_ECN.c:107:46: error: 'IPT_ECN_OP_SET_CWR' undeclared (first use in this function); did you mean 'IPT_ECN_OP_MATCH_CWR'?
  if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
                                              ^~~~~~~~~~~~~~~~~~
                                              IPT_ECN_OP_MATCH_CWR

Caused by commit

  25038aaf0cbf ("UAPI: netfilter: Fix symbol collision issues [ver #2]")

I used the netfilter-next tree from next-20181015 for today.

-- 
Cheers,
Stephen Rothwell