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| author | David Howells <dhowells@redhat.com> | 2017-04-27 22:40:23 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-30 22:32:16 -0400 |
| commit | b5082df8019ac47ff1e6b6454480e39d0223fc46 (patch) | |
| tree | 2f9b00cd0df7065e949255aa6d3256c80efe4c4a /net/core/net_namespace.c | |
| parent | 5e0740c445e6ae4026f5e52456ff8d0be9725183 (diff) | |
| download | lwn-b5082df8019ac47ff1e6b6454480e39d0223fc46.tar.gz lwn-b5082df8019ac47ff1e6b6454480e39d0223fc46.zip | |
net: Initialise init_net.count to 1
Initialise init_net.count to 1 for its pointer from init_nsproxy lest
someone tries to do a get_net() and a put_net() in a process in which
current->ns_proxy->net_ns points to the initial network namespace.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/net_namespace.c')
| -rw-r--r-- | net/core/net_namespace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index c1d8aed8e5a8..1934efd4a9d4 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -35,7 +35,8 @@ LIST_HEAD(net_namespace_list); EXPORT_SYMBOL_GPL(net_namespace_list); struct net init_net = { - .dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head), + .count = ATOMIC_INIT(1), + .dev_base_head = LIST_HEAD_INIT(init_net.dev_base_head), }; EXPORT_SYMBOL(init_net); |