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netpoll: use the net namespace of current process instead of init_net

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This will allow us to setup netconsole in a different namespace
rather than where init_net is.

Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2013-01-27 15:55:21 +00:00 committed by David S. Miller
parent faeed828f9
commit 556e6256c8
1 changed files with 4 additions and 2 deletions
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6
net/core/netpoll.c
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@ -1049,8 +1049,10 @@ int netpoll_setup(struct netpoll *np)
int err;
rtnl_lock();
if (np->dev_name)
ndev = __dev_get_by_name(&init_net, np->dev_name);
if (np->dev_name) {
struct net *net = current->nsproxy->net_ns;
ndev = __dev_get_by_name(net, np->dev_name);
}
if (!ndev) {
np_err(np, "%s doesn't exist, aborting\n", np->dev_name);
err = -ENODEV;