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authorDaniel Lezcano <dlezcano@fr.ibm.com>2008-05-02 17:00:58 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-02 17:00:58 -0700
commitaaf8cdc34ddba08122f02217d9d684e2f9f5d575 (patch)
tree40746e08bc9e6b590c9e7d1f7b54597539737c22 /drivers/amba
parent705d209168681b4408d10fca7257de3343be573d (diff)
downloadop-kernel-dev-aaf8cdc34ddba08122f02217d9d684e2f9f5d575.zip
op-kernel-dev-aaf8cdc34ddba08122f02217d9d684e2f9f5d575.tar.gz
netns: Fix device renaming for sysfs
When a netdev is moved across namespaces with the 'dev_change_net_namespace' function, the 'device_rename' function is used to fixup kobject and refresh the sysfs tree. The device_rename function will call kobject_rename and this one will check if there is an object with the same name and this is the case because we are renaming the object with the same name. The use of 'device_rename' seems for me wrong because we usually don't rename it but just move it across namespaces. As we just want to do a mini "netdev_[un]register", IMO the functions 'netdev_[un]register_kobject' should be used instead, like an usual network device [un]registering. This patch replace device_rename by netdev_unregister_kobject, followed by netdev_register_kobject. The netdev_register_kobject will call device_initialize and will raise a warning indicating the device was already initialized. In order to fix that, I split the device initialization into a separate function and use it together with 'netdev_register_kobject' into register_netdevice. So we can safely call 'netdev_register_kobject' in 'dev_change_net_namespace'. This fix will allow to properly use the sysfs per namespace which is coming from -mm tree. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Acked-by: Benjamin Thery <benjamin.thery@bull.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/amba')
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