tree: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git nft-bridge8 head: ae378c12525a3fa600ba9c615a3b9f49ed1b2101 commit: ae378c12525a3fa600ba9c615a3b9f49ed1b2101 [8/8] netfilter: bridge: add basic conntrack support smatch warnings: net/netfilter/nf_conntrack_proto.c:557 nf_ct_netns_do_put() error: we previously assumed 'nf_ct_bridge_info' could be null (see line 552) # https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git/commit/?id=ae378c12525a3fa600ba9c615a3b9f49ed1b2101 git remote add nf-next https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git git remote update nf-next git checkout ae378c12525a3fa600ba9c615a3b9f49ed1b2101 vim +/nf_ct_bridge_info +557 net/netfilter/nf_conntrack_proto.c 2c41f33c Florian Westphal 2017-05-30 532 a0ae2562 Florian Westphal 2018-06-29 533 static void nf_ct_netns_do_put(struct net *net, u8 nfproto) a0ae2562 Florian Westphal 2018-06-29 534 { a0ae2562 Florian Westphal 2018-06-29 535 struct nf_conntrack_net *cnet = net_generic(net, nf_conntrack_net_id); a0ae2562 Florian Westphal 2018-06-29 536 a0ae2562 Florian Westphal 2018-06-29 537 mutex_lock(&nf_ct_proto_mutex); a0ae2562 Florian Westphal 2018-06-29 538 switch (nfproto) { a0ae2562 Florian Westphal 2018-06-29 539 case NFPROTO_IPV4: a0ae2562 Florian Westphal 2018-06-29 540 if (cnet->users4 && (--cnet->users4 == 0)) a0ae2562 Florian Westphal 2018-06-29 541 nf_unregister_net_hooks(net, ipv4_conntrack_ops, a0ae2562 Florian Westphal 2018-06-29 542 ARRAY_SIZE(ipv4_conntrack_ops)); a0ae2562 Florian Westphal 2018-06-29 543 break; a0ae2562 Florian Westphal 2018-06-29 544 #if IS_ENABLED(CONFIG_IPV6) a0ae2562 Florian Westphal 2018-06-29 545 case NFPROTO_IPV6: a0ae2562 Florian Westphal 2018-06-29 546 if (cnet->users6 && (--cnet->users6 == 0)) a0ae2562 Florian Westphal 2018-06-29 547 nf_unregister_net_hooks(net, ipv6_conntrack_ops, a0ae2562 Florian Westphal 2018-06-29 548 ARRAY_SIZE(ipv6_conntrack_ops)); a0ae2562 Florian Westphal 2018-06-29 549 break; a0ae2562 Florian Westphal 2018-06-29 550 #endif ae378c12 Pablo Neira Ayuso 2019-03-29 551 case NFPROTO_BRIDGE: ae378c12 Pablo Neira Ayuso 2019-03-29 @552 if (nf_ct_bridge_info && ^^^^^^^^^^^^^^^^^ ae378c12 Pablo Neira Ayuso 2019-03-29 553 cnet->users_bridge && (--cnet->users_bridge == 0)) ae378c12 Pablo Neira Ayuso 2019-03-29 554 nf_unregister_net_hooks(net, nf_ct_bridge_info->ops, ae378c12 Pablo Neira Ayuso 2019-03-29 555 nf_ct_bridge_info->ops_size); ae378c12 Pablo Neira Ayuso 2019-03-29 556 ae378c12 Pablo Neira Ayuso 2019-03-29 @557 module_put(nf_ct_bridge_info->me); ^^^^^^^^^^^^^^^^^^^^^ ae378c12 Pablo Neira Ayuso 2019-03-29 558 break; 0e54d217 Davide Caratti 2016-11-07 559 } 0e54d217 Davide Caratti 2016-11-07 560 a0ae2562 Florian Westphal 2018-06-29 561 mutex_unlock(&nf_ct_proto_mutex); a0ae2562 Florian Westphal 2018-06-29 562 } a0ae2562 Florian Westphal 2018-06-29 563 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation