Hi Simon, simon.horman@xxxxxxxxxxxx wrote on Fri, 2 Jun 2023 17:54:40 +0200: > On Thu, Jun 01, 2023 at 05:48:10PM +0200, Miquel Raynal wrote: > > Joining a PAN officially goes by associating with a coordinator. This > > coordinator may have been discovered thanks to the beacons it sent in > > the past. Add support to the MAC layer for these associations, which > > require: > > - Sending an association request > > - Receiving an association response > > > > The association response contains the association status, eventually a > > reason if the association was unsuccessful, and finally a short address > > that we should use for intra-PAN communication from now on, if we > > required one (which is the default, and not yet configurable). > > > > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > > ... > > > diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c > > index cd69bdbfd59f..8bf01bb7e858 100644 > > --- a/net/ieee802154/core.c > > +++ b/net/ieee802154/core.c > > @@ -198,6 +198,18 @@ void wpan_phy_free(struct wpan_phy *phy) > > } > > EXPORT_SYMBOL(wpan_phy_free); > > > > +static void cfg802154_free_peer_structures(struct wpan_dev *wpan_dev) > > +{ > > + mutex_lock(&wpan_dev->association_lock); > > + > > + if (wpan_dev->parent) > > + kfree(wpan_dev->parent); > > Hi Miquel, > > a minor nit from my side: There no need to check for NULL before calling > kfree, because kfree will do nothing with a NULL argument. Sorry for the delay, yes of course, I will drop the extra check. Thanks, Miquèl