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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-28 08:34:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-28 08:34:10 +0100 |
| commit | 0edbf9e55295585bbe9df61b646ca5bf80a8e1eb (patch) | |
| tree | d9b6869ff7a245343a9b030511d4bfd18b00f192 /net/core/net_namespace.c | |
| parent | eacae5d2b940b39e7234036bf62869aff5ffe055 (diff) | |
| parent | e5517c2a5a49ed5e99047008629f1cd60246ea0e (diff) | |
Merge 4.9-rc7 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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); |