Re: [IPV4] Make loopback idev stick around

["David S. Miller" <davem@xxxxxxxxxxxxx>]

On Sat, 5 Feb 2005 16:35:32 +1100
Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

> On Sat, Feb 05, 2005 at 04:30:30PM +1100, herbert wrote:
> > 
> > As it is when loopback_dev loses all of its IPv4 addresses its
> > corresponding idev will be destroyed.  Unfortunately as of last
> > August route.c relies on the loopback idev to kill references
> > to other idev objects.
> 
> The same problem exists for IPv6.
>  
> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

Both patches applied to the 2.6.12-pending tree.

I wish ->notifier_call()'s value was actually checked, we could
do intelligent things instead of panic()'ing when (for example)
loopback's idev allocation fails.