On Tue, 2008-02-19 at 10:14 +0100, Daniel Lezcano wrote:
> Denis V. Lunev wrote:
> > Default ARP parameters should be findable regardless of the context.
> > Required to make inetdev_event working.
> >
> > Signed-off-by: Denis V. Lunev <den@xxxxxxxxxx>
> > ---
> > net/core/neighbour.c | 4 +---
> > 1 files changed, 1 insertions(+), 3 deletions(-)
> >
> > diff --git a/net/core/neighbour.c b/net/core/neighbour.c
> > index c895ad4..45ed620 100644
> > --- a/net/core/neighbour.c
> > +++ b/net/core/neighbour.c
> > @@ -1275,9 +1275,7 @@ static inline struct neigh_parms *lookup_neigh_params(struct neigh_table *tbl,
> > struct neigh_parms *p;
> >
> > for (p = &tbl->parms; p; p = p->next) {
> > - if (p->net != net)
> > - continue;
> > - if ((p->dev && p->dev->ifindex == ifindex) ||
> > + if ((p->dev && p->dev->ifindex == ifindex && p->net == net) ||
> > (!p->dev && !ifindex))
> > return p;
> > }
>
> If the values are:
> p->dev == NULL
> ifindex == 0
> p->net != net
>
> The parms should not be taken into account and the looping must
> continue. But with this modification it is not the case, if we specify
> parms ifindex == 0, the first parms with the dev field set to NULL will
> be taken belonging or not to the right net.
They should be taken. In the other case inetdev_event will fail for sure
in the middle. You could check.
These are ARP defaults and I do not see a problem for now to get them.
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