Hi Florian, I love your patch! Perhaps something to improve:
[auto build test WARNING on nf-next/master] url: https://github.com/0day-ci/linux/commits/Florian-Westphal/netfilter-ctnetlink-don-t-dump-ct-extensions-of-unconfirmed-conntracks/20191015-040005 base: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All warnings (new ones prefixed by >>): net/netfilter/nf_conntrack_netlink.c: In function 'ctnetlink_dump_extinfo': >> net/netfilter/nf_conntrack_netlink.c:520:37: warning: passing argument 2 of >> 'ctnetlink_dump_ct_seq_adj' discards 'const' qualifier from pointer target >> type [-Wdiscarded-qualifiers] ctnetlink_dump_ct_seq_adj(skb, ct) < 0 || ^~ net/netfilter/nf_conntrack_netlink.c:438:12: note: expected 'struct nf_conn *' but argument is of type 'const struct nf_conn *' static int ctnetlink_dump_ct_seq_adj(struct sk_buff *skb, struct nf_conn *ct) ^~~~~~~~~~~~~~~~~~~~~~~~~ >> net/netfilter/nf_conntrack_netlink.c:521:38: warning: passing argument 2 of >> 'ctnetlink_dump_ct_synproxy' discards 'const' qualifier from pointer target >> type [-Wdiscarded-qualifiers] ctnetlink_dump_ct_synproxy(skb, ct) < 0) ^~ net/netfilter/nf_conntrack_netlink.c:462:12: note: expected 'struct nf_conn *' but argument is of type 'const struct nf_conn *' static int ctnetlink_dump_ct_synproxy(struct sk_buff *skb, struct nf_conn *ct) ^~~~~~~~~~~~~~~~~~~~~~~~~~ net/netfilter/nf_conntrack_netlink.c: In function 'ctnetlink_dump_info': >> net/netfilter/nf_conntrack_netlink.c:542:1: warning: control reaches end of >> non-void function [-Wreturn-type] } ^ vim +520 net/netfilter/nf_conntrack_netlink.c 508 509 /* all these functions access ct->ext. Caller must either hold a reference 510 * on ct or prevent its deletion by holding either the bucket spinlock or 511 * pcpu dying list lock. 512 */ 513 static int ctnetlink_dump_extinfo(struct sk_buff *skb, 514 const struct nf_conn *ct, u32 type) 515 { 516 if (ctnetlink_dump_acct(skb, ct, type) < 0 || 517 ctnetlink_dump_timestamp(skb, ct) < 0 || 518 ctnetlink_dump_helpinfo(skb, ct) < 0 || 519 ctnetlink_dump_labels(skb, ct) < 0 || > 520 ctnetlink_dump_ct_seq_adj(skb, ct) < 0 || > 521 ctnetlink_dump_ct_synproxy(skb, ct) < 0) 522 return -1; 523 524 return 0; 525 } 526 527 static int ctnetlink_dump_info(struct sk_buff *skb, struct nf_conn *ct) 528 { 529 if (ctnetlink_dump_status(skb, ct) < 0 || 530 ctnetlink_dump_mark(skb, ct) < 0 || 531 ctnetlink_dump_secctx(skb, ct) < 0 || 532 ctnetlink_dump_id(skb, ct) < 0 || 533 ctnetlink_dump_use(skb, ct) < 0 || 534 ctnetlink_dump_master(skb, ct) < 0) 535 return -1; 536 537 if (!test_bit(IPS_OFFLOAD_BIT, &ct->status) && 538 (ctnetlink_dump_timeout(skb, ct) < 0 || 539 ctnetlink_dump_protoinfo(skb, ct) < 0)) 540 541 return 0; > 542 } 543 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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