netns 1/2: don't get/put old netns on CLONE_NEWNET
copy_net_ns() doesn't copy anything, it creates fresh netns, so get/put of old netns isn't needed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -120,10 +120,8 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
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struct net *new_net = NULL;
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int err;
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get_net(old_net);
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if (!(flags & CLONE_NEWNET))
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return old_net;
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return get_net(old_net);
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err = -ENOMEM;
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new_net = net_alloc();
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@ -142,7 +140,6 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
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if (err)
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goto out_free;
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out:
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put_net(old_net);
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return new_net;
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out_free:
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