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-x002-201701 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): net/ipv4/netfilter/nf_defrag_ipv4.c: In function 'ipv4_conntrack_defrag': >> net/ipv4/netfilter/nf_defrag_ipv4.c:78:2: warning: this 'if' clause does not >> guard... [-Wmisleading-indentation] if (skb->_nfct && !nf_ct_is_template((struct nf_conn *) skb_nfct(skb))); ^~ net/ipv4/netfilter/nf_defrag_ipv4.c:79:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' return NF_ACCEPT; ^~~~~~ vim +/if +78 net/ipv4/netfilter/nf_defrag_ipv4.c 62 } 63 64 static unsigned int ipv4_conntrack_defrag(void *priv, 65 struct sk_buff *skb, 66 const struct nf_hook_state *state) 67 { 68 struct sock *sk = skb->sk; 69 70 if (sk && sk_fullsock(sk) && (sk->sk_family == PF_INET) && 71 inet_sk(sk)->nodefrag) 72 return NF_ACCEPT; 73 74 #if IS_ENABLED(CONFIG_NF_CONNTRACK) 75 #if !IS_ENABLED(CONFIG_NF_NAT) 76 /* Previously seen (loopback)? Ignore. Do this before 77 fragment check. */ > 78 if (skb->_nfct && !nf_ct_is_template((struct nf_conn *) skb_nfct(skb))); 79 return NF_ACCEPT; 80 #endif 81 #endif 82 /* Gather fragments. */ 83 if (ip_is_fragment(ip_hdr(skb))) { 84 enum ip_defrag_users user = 85 nf_ct_defrag_user(state->hook, skb); 86 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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