Hi Florian, I love your patch! Perhaps something to improve: 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 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: net/netfilter/nf_conntrack_netlink.c:537 ctnetlink_dump_info() warn: if statement not indented # https://github.com/0day-ci/linux/commit/c8040548c0416425c95ae3b7008ef5d829168d3b git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout c8040548c0416425c95ae3b7008ef5d829168d3b vim +537 net/netfilter/nf_conntrack_netlink.c c8040548c04164 Florian Westphal 2019-10-14 527 static int ctnetlink_dump_info(struct sk_buff *skb, struct nf_conn *ct) c8040548c04164 Florian Westphal 2019-10-14 528 { c8040548c04164 Florian Westphal 2019-10-14 529 if (ctnetlink_dump_status(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 530 ctnetlink_dump_mark(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 531 ctnetlink_dump_secctx(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 532 ctnetlink_dump_id(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 533 ctnetlink_dump_use(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 534 ctnetlink_dump_master(skb, ct) < 0) c8040548c04164 Florian Westphal 2019-10-14 535 return -1; c8040548c04164 Florian Westphal 2019-10-14 536 c8040548c04164 Florian Westphal 2019-10-14 @537 if (!test_bit(IPS_OFFLOAD_BIT, &ct->status) && c8040548c04164 Florian Westphal 2019-10-14 538 (ctnetlink_dump_timeout(skb, ct) < 0 || c8040548c04164 Florian Westphal 2019-10-14 539 ctnetlink_dump_protoinfo(skb, ct) < 0)) Part of the "return -EINVAL;" commit must be missing. This should generate a compile warning about reaching the end of a non-void function. c8040548c04164 Florian Westphal 2019-10-14 540 c8040548c04164 Florian Westphal 2019-10-14 541 return 0; c8040548c04164 Florian Westphal 2019-10-14 542 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation