Re: [PATCH] ipip, sit: copy parms.name after register_netdevice

From: Greg KH
Date: Tue Dec 06 2011 - 12:34:21 EST


On Tue, Dec 06, 2011 at 05:25:24PM +0800, Ted Feng wrote:
> Same fix as 731abb9cb2 for ipip and sit tunnel.
> Commit 1c5cae815d removed an explicit call to dev_alloc_name in
> ipip_tunnel_locate
> and ipip6_tunnel_locate, because register_netdevice will now create a
> valid name.
> However the tunnel keeps a copy of the name in the private parms structure.
>
> This shows up if you do a simple tunnel add, followed by a tunnel show:
>
> $ sudo ip tunnel add mode ipip remote 10.2.20.211
> $ ip tunnel
> tunl0: ip/ip remote any local any ttl inherit nopmtudisc
> tunl%d: ip/ip remote 10.2.20.211 local any ttl inherit
> $ sudo ip tunnel add mode sit remote 10.2.20.212
> $ ip tunnel
> sit0: ipv6/ip remote any local any ttl 64 nopmtudisc 6rd-prefix 2002::/16
> sit%d: ioctl 89f8 failed: No such device
> sit%d: ipv6/ip remote 10.2.20.212 local any ttl inherit
>
> Signed-off-by: Ted Feng <artisdom@xxxxxxxxx>

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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