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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-12-13 20:16:40 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-12-13 20:16:40 -0300
commit6baeafd1f2a54ca041ff71778ebda9fac75aad12 (patch)
tree57d2d68fa5d1d91f57cd7fcf0aed0a97892cc8cc /net/core/net_namespace.c
parent189382f7a338c02b448ab27e1d5566e052165dc8 (diff)
Linux-libre 4.8.14-gnuHEADpck-4.8.14-gnumaster
Diffstat (limited to 'net/core/net_namespace.c')
-rw-r--r--net/core/net_namespace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2c2eb1b62..2e9a1c281 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -217,6 +217,8 @@ int peernet2id_alloc(struct net *net, struct net *peer)
bool alloc;
int id;
+ if (atomic_read(&net->count) == 0)
+ return NETNSA_NSID_NOT_ASSIGNED;
spin_lock_irqsave(&net->nsid_lock, flags);
alloc = atomic_read(&peer->count) == 0 ? false : true;
id = __peernet2id_alloc(net, peer, &alloc);