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[NET]: Make the loopback device per network namespace.

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This patch makes loopback_dev per network namespace.  Adding
code to create a different loopback device for each network
namespace and adding the code to free a loopback device
when a network namespace exits.

This patch modifies all users the loopback_dev so they
access it as init_net.loopback_dev, keeping all of the
code compiling and working.  A later pass will be needed to
update the users to use something other than the initial network
namespace.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2007-09-26 22:10:56 -07:00
committed by David S. Miller
parent 0cc217e16c
commit 2774c7aba6
13 changed files with 64 additions and 45 deletions
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2
net/ipv6/xfrm6_policy.c
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@@ -375,7 +375,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
xdst = (struct xfrm_dst *)dst;
if (xdst->u.rt6.rt6i_idev->dev == dev) {
struct inet6_dev *loopback_idev = in6_dev_get(loopback_dev);
struct inet6_dev *loopback_idev = in6_dev_get(init_net.loopback_dev);
BUG_ON(!loopback_idev);
do {