On Fri, Apr 10, 2026 at 5:52 PM Lorenzo Bianconi <
[email protected]> wrote:

> > The route_table_parse() can allocate data related to the nexthop
> > list. Those data need to be freed when we are done with the message.
> > Make sure we call route_data_destroy() when we are done with the
> > change.
> >
> > Fixes: 673d90f1173f ("controller: Watch for route changes.")
> > Signed-off-by: Ales Musil <[email protected]>
>
> Acked-by: Lorenzo Bianconi <[email protected]>
>
> > ---
> >  controller/route-table-notify.c | 15 +++++++++------
> >  1 file changed, 9 insertions(+), 6 deletions(-)
> >
> > diff --git a/controller/route-table-notify.c
> b/controller/route-table-notify.c
> > index 1fa182ea5..9fa2e0ea6 100644
> > --- a/controller/route-table-notify.c
> > +++ b/controller/route-table-notify.c
> > @@ -134,19 +134,22 @@ find_watch_entry(uint32_t table_id)
> >  static void
> >  route_table_change(const void *change_, void *aux OVS_UNUSED)
> >  {
> > -    /* We currently track whether at least one recent route table change
> > -     * was detected.  If that's the case already there's no need to
> > -     * continue. */
> > -    if (any_route_table_changed) {
> > +    if (!change_) {
> >          return;
> >      }
> >
> > -    const struct route_table_msg *change = change_;
> > -    if (change && change->rd.rtm_protocol != RTPROT_OVN) {
> > +    /* We currently track whether at least one recent route table change
> > +     * was detected.  If that's the case already there's no need to
> > +     * continue. */
> > +    struct route_table_msg *change =
> > +        CONST_CAST(struct route_table_msg *, change_);
> > +    if (!any_route_table_changed && change->rd.rtm_protocol !=
> RTPROT_OVN) {
> >          if (find_watch_entry(change->rd.rta_table_id)) {
> >              any_route_table_changed = true;
> >          }
> >      }
> > +
> > +    route_data_destroy(&change->rd);
> >  }
> >
> >  static void
> > --
> > 2.53.0
> >
> > _______________________________________________
> > dev mailing list
> > [email protected]
> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev
> >
>

Thank you Lorenzo and Dumitru,

applied to main and backported down to 25.03.

Regards,
Ales
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