Re: [PATCH] network hotplug via class_device/kobject

[Krzysztof Halasa <khc@xxxxxxxxx>]

"David S. Miller" <davem@xxxxxxxxxx> writes:

>    Paranoid about some driver doing something like:
>       rtnl_lock(); register_netdevice(); unregister_netdevice();
> rtnl_unlock() BOOM
> 
> These sorts of turds exist at least in two places:
> 
> 1) drivers/net/wan/comx.c
> 2) drivers/net/wan/hdlc_fr.c
> 
> But it is pretty clear that these two drivers have been
> tried by nobody in recent years.  They both call into
> {un,}register_netdevice without the RTNL semaphore held.

Not sure about 1), but 2) calls (un)register_netdevice() with rtnl_lock,
from ioctl.
-- 
Krzysztof Halasa
Network Administrator