netpoll: use the net namespace of current process instead of init_net
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>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index a6f39b6..331ccb9 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -1049,8 +1049,10 @@
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;