Hi Florian, [auto build test WARNING on nf-next/master] url: https://github.com/0day-ci/linux/commits/Florian-Westphal/netfilter-skbuff-merge-nfctinfo-bits-and-nfct-pointer/20170105-133727 base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: x86_64-randconfig-b0-01051551 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): net/ipv4/netfilter/nf_dup_ipv4.c: In function 'nf_dup_ipv4': >> net/ipv4/netfilter/nf_dup_ipv4.c:56: warning: unused variable 'untracked' vim +/untracked +56 net/ipv4/netfilter/nf_dup_ipv4.c 40 fl4.flowi4_flags = FLOWI_FLAG_KNOWN_NH; 41 rt = ip_route_output_key(net, &fl4); 42 if (IS_ERR(rt)) 43 return false; 44 45 skb_dst_drop(skb); 46 skb_dst_set(skb, &rt->dst); 47 skb->dev = rt->dst.dev; 48 skb->protocol = htons(ETH_P_IP); 49 50 return true; 51 } 52 53 void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, 54 const struct in_addr *gw, int oif) 55 { > 56 struct nf_conn *untracked; 57 struct iphdr *iph; 58 59 if (this_cpu_read(nf_skb_duplicated)) 60 return; 61 /* 62 * Copy the skb, and route the copy. Will later return %XT_CONTINUE for 63 * the original skb, which should continue on its way as if nothing has 64 * happened. The copy should be independently delivered to the gateway. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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