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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>
This commit is contained in:
Alexey Dobriyan 2009-05-04 11:11:38 -07:00 committed by David S. Miller
parent 6e8cf5c069
commit 4a84822c60
1 changed files with 1 additions and 4 deletions
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5
net/core/net_namespace.c
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@ -120,10 +120,8 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
struct net *new_net = NULL; struct net *new_net = NULL;
int err; int err;
get_net(old_net);
if (!(flags & CLONE_NEWNET)) if (!(flags & CLONE_NEWNET))
return old_net; return get_net(old_net);
err = -ENOMEM; err = -ENOMEM;
new_net = net_alloc(); new_net = net_alloc();
@ -142,7 +140,6 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
if (err) if (err)
goto out_free; goto out_free;
out: out:
put_net(old_net);
return new_net; return new_net;
out_free: out_free: