diff options
| author |   Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-03-27 18:02:32 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-03-27 13:18:09 -0400 |
| commit | 8518e9bb98b602eca0717d5aaad63ccbe56539d2 (patch) | |
| tree | dc2887c1b2089055ad7c2d13df0ea20b3a27969b /net/core | |
| parent | net: Rename net_sem to pernet_ops_rwsem (diff) | |
| download | linux-dev-8518e9bb98b602eca0717d5aaad63ccbe56539d2.tar.xz linux-dev-8518e9bb98b602eca0717d5aaad63ccbe56539d2.zip | |
net: Add more comments
This adds comments to different places to improve
readability.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/net_namespace.c | 2 | ||||
| -rw-r--r-- | net/core/rtnetlink.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 9e8ee4640451..b5796d17a302 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -43,6 +43,8 @@ static bool init_net_initialized; /* * pernet_ops_rwsem: protects: pernet_list, net_generic_ids, * init_net_initialized and first_device pointer. + * This is internal net namespace object. Please, don't use it + * outside. */ DECLARE_RWSEM(pernet_ops_rwsem); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 73011a60434c..2d3949789cef 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -459,7 +459,7 @@ static void rtnl_lock_unregistering_all(void) */ void rtnl_link_unregister(struct rtnl_link_ops *ops) { - /* Close the race with cleanup_net() */ + /* Close the race with setup_net() and cleanup_net() */ down_write(&pernet_ops_rwsem); rtnl_lock_unregistering_all(); __rtnl_link_unregister(ops); |