diff options
Diffstat (limited to 'net/core/net_namespace.c')
| -rw-r--r-- | net/core/net_namespace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index f61c0e02a413..7001da910c6b 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -219,6 +219,8 @@ 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); |