Hi Pablo, I love your patch! Yet something to improve: [auto build test ERROR on nf-next/master] [also build test ERROR on v4.17-rc5] [cannot apply to nf/master next-20180516] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Pablo-Neira-Ayuso/netfilter-add-struct-nf_ct_hook-and-use-it/20180515-215248 base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: x86_64-acpi-redef (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): net/netfilter/nfnetlink_queue.c: In function 'nfqnl_reinject': >> net/netfilter/nfnetlink_queue.c:237:7: error: implicit declaration of function 'nf_ct_get'; did you mean 'sk_dst_get'? [-Werror=implicit-function-declaration] ct = nf_ct_get(entry->skb, &ctinfo); ^~~~~~~~~ sk_dst_get >> net/netfilter/nfnetlink_queue.c:237:5: warning: assignment makes pointer from integer without a cast [-Wint-conversion] ct = nf_ct_get(entry->skb, &ctinfo); ^ >> net/netfilter/nfnetlink_queue.c:238:13: error: implicit declaration of function 'nf_ct_is_confirmed'; did you mean 'sk_dst_confirm'? [-Werror=implicit-function-declaration] if (ct && !nf_ct_is_confirmed(ct) && ^~~~~~~~~~~~~~~~~~ sk_dst_confirm cc1: some warnings being treated as errors vim +237 net/netfilter/nfnetlink_queue.c 229 230 static void nfqnl_reinject(struct nf_queue_entry *entry, unsigned int verdict) 231 { 232 enum ip_conntrack_info ctinfo; 233 struct nf_ct_hook *ct_hook; 234 struct nf_conn *ct; 235 int err; 236 > 237 ct = nf_ct_get(entry->skb, &ctinfo); > 238 if (ct && !nf_ct_is_confirmed(ct) && 239 (verdict == NF_ACCEPT || verdict == NF_STOP)) { 240 rcu_read_lock(); 241 ct_hook = rcu_dereference(nf_ct_hook); 242 if (ct_hook) { 243 err = ct_hook->update(entry->state.net, entry->skb, 244 ct, ctinfo); 245 if (err < 0) 246 verdict = NF_DROP; 247 } 248 rcu_read_unlock(); 249 } 250 251 nf_reinject(entry, verdict); 252 } 253 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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