From: Kirill Tkhai <ktkhai@virtuozzo.com> To: dledford@redhat.com, jgg@ziepe.ca, davem@davemloft.net, pablo@netfilter.org, kadlec@blackhole.kfki.hu, fw@strlen.de, pshelar@ovn.org, johannes@sipsolutions.net, paul@paul-moore.com, sds@tycho.nsa.gov, eparis@parisplace.org, jmorris@namei.org, serge@hallyn.com, leon@kernel.org, yuval.shaia@oracle.com, parav@mellanox.com, danielj@mellanox.com, ktkhai@virtuozzo.com, majd@mellanox.com, nicolas.dichtel@6wind.com, vyasevic@redhat.com, paulmck@linux.vnet.ibm.com, vyasevich@gmail.com, gregkh@linuxfoundation.org, daniel@iogearbox.net, jakub.kicinski@netronome.com, ast@kernel.org, brouer@redhat.com, linux@rasmusvillemoes.dk, john.fastabend@gmail.com, dsahern@gmail.com, jiri@mellanox.com, idosch@mellanox.com, vvs@virtuozzo.com, avagin@virtuozzo.com, roman.kapl@sysgo.com, lucien.xin@gmail.com, christian.brauner@ubuntu.com, jbenc@redhat.com, pombredanne@nexb.com, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, dev@openvswitch.org, linux-wireless@vger.kernel.org, selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org Subject: [PATCH net-next 5/5] net: Remove rtnl_lock() in nf_ct_iterate_destroy() Date: Thu, 29 Mar 2018 19:21:20 +0300 [thread overview] Message-ID: <152234048028.19153.843006403471156320.stgit@localhost.localdomain> (raw) In-Reply-To: <152234005959.19153.17907173734141707348.stgit@localhost.localdomain> rtnl_lock() doesn't protect net::ct::count, and it's not needed for__nf_ct_unconfirmed_destroy() and for nf_queue_nf_hook_drop(). Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> --- net/netfilter/nf_conntrack_core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 370f9b7f051b..41ff04ee2554 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1763,7 +1763,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data) { struct net *net; - rtnl_lock(); down_read(&net_rwsem); for_each_net(net) { if (atomic_read(&net->ct.count) == 0) @@ -1772,7 +1771,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data) nf_queue_nf_hook_drop(net); } up_read(&net_rwsem); - rtnl_unlock(); /* Need to wait for netns cleanup worker to finish, if its * running -- it might have deleted a net namespace from
WARNING: multiple messages have this Message-ID (diff)
From: ktkhai@virtuozzo.com (Kirill Tkhai) To: linux-security-module@vger.kernel.org Subject: [PATCH net-next 5/5] net: Remove rtnl_lock() in nf_ct_iterate_destroy() Date: Thu, 29 Mar 2018 19:21:20 +0300 [thread overview] Message-ID: <152234048028.19153.843006403471156320.stgit@localhost.localdomain> (raw) In-Reply-To: <152234005959.19153.17907173734141707348.stgit@localhost.localdomain> rtnl_lock() doesn't protect net::ct::count, and it's not needed for__nf_ct_unconfirmed_destroy() and for nf_queue_nf_hook_drop(). Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> --- net/netfilter/nf_conntrack_core.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 370f9b7f051b..41ff04ee2554 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1763,7 +1763,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data) { struct net *net; - rtnl_lock(); down_read(&net_rwsem); for_each_net(net) { if (atomic_read(&net->ct.count) == 0) @@ -1772,7 +1771,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data) nf_queue_nf_hook_drop(net); } up_read(&net_rwsem); - rtnl_unlock(); /* Need to wait for netns cleanup worker to finish, if its * running -- it might have deleted a net namespace from -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2018-03-29 16:21 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-29 16:20 [PATCH net-next 0/5] Introduce net_rwsem to protect net_namespace_list Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` [PATCH net-next 1/5] net: " Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` [PATCH net-next 2/5] net: Don't take rtnl_lock() in wireless_nlevent_flush() Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` [PATCH net-next 3/5] security: Remove rtnl_lock() in selinux_xfrm_notify_policyload() Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai 2018-03-29 16:20 ` Kirill Tkhai [not found] ` <152234005959.19153.17907173734141707348.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org> 2018-03-29 16:20 ` [PATCH net-next 1/5] net: Introduce net_rwsem to protect net_namespace_list Kirill Tkhai 2018-03-29 16:20 ` [PATCH net-next 2/5] net: Don't take rtnl_lock() in wireless_nlevent_flush() Kirill Tkhai 2018-03-29 16:20 ` [PATCH net-next 3/5] security: Remove rtnl_lock() in selinux_xfrm_notify_policyload() Kirill Tkhai 2018-03-29 16:21 ` [PATCH net-next 4/5] ovs: Remove rtnl_lock() from ovs_exit_net() Kirill Tkhai 2018-03-29 16:21 ` [PATCH net-next 5/5] net: Remove rtnl_lock() in nf_ct_iterate_destroy() Kirill Tkhai 2018-03-29 16:21 ` [PATCH net-next 4/5] ovs: Remove rtnl_lock() from ovs_exit_net() Kirill Tkhai 2018-03-29 16:21 ` Kirill Tkhai 2018-03-29 16:21 ` Kirill Tkhai 2018-03-29 16:21 ` Kirill Tkhai [this message] 2018-03-29 16:21 ` [PATCH net-next 5/5] net: Remove rtnl_lock() in nf_ct_iterate_destroy() Kirill Tkhai 2018-03-29 16:21 ` Kirill Tkhai 2018-03-29 17:48 ` [PATCH net-next 0/5] Introduce net_rwsem to protect net_namespace_list David Miller 2018-03-29 17:48 ` David Miller 2018-03-29 17:48 ` David Miller 2018-03-29 17:48 ` David Miller
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