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SubjectRe: [PATCH] network hotplug via class_device/kobject
David S. Miller <davem@redhat.com> :
[rtnl_lock() and register_netdevice()]
> 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

It's pretty clear but it's false :o)

> {un,}register_netdevice without the RTNL semaphore held.

There is a maintainer for 2):
GENERIC HDLC DRIVER, N2 AND C101 DRIVERS
P: Krzysztof Halasa
M: khc@pm.waw.pl
W: http://hq.pm.waw.pl/hdlc/
S: Maintained

--
Ueimor
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