[PATCH 1/1] dev_change_net_namespace: send a KOBJ_REMOVED to original netns
Serge Hallyn
serge.hallyn at canonical.com
Fri Oct 12 20:42:05 UTC 2012
v2: also send KOBJ_ADD to new netns. There will then be a
_MOVE event from the device_rename() call, but that should
be innocuous.
Signed-off-by: Serge Hallyn <serge.hallyn at canonical.com>
---
net/core/dev.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/core/dev.c b/net/core/dev.c
index e2215ee..2c43aaf 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6172,6 +6172,9 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
dev_uc_flush(dev);
dev_mc_flush(dev);
+ /* Send a netdev-removed uevent to the old namespace */
+ kobject_uevent(&dev->dev.kobj, KOBJ_REMOVE);
+
/* Actually switch the network namespace */
dev_net_set(dev, net);
@@ -6183,6 +6186,9 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
dev->iflink = dev->ifindex;
}
+ /* Send a netdev-add uevent to the new namespace */
+ kobject_uevent(&dev->dev.kobj, KOBJ_ADD);
+
/* Fixup kobjects */
err = device_rename(&dev->dev, dev->name);
WARN_ON(err);
--
1.7.10.4
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