On Fri, Jan 25, 2008 at 08:19:23AM -0800, Stephen Hemminger wrote:
> On Thu, 24 Jan 2008 23:32:17 -0800
> Greg Kroah-Hartman <[EMAIL PROTECTED]> wrote:
>
> > The kobject in the bridge code is only used for registering with sysfs,
> > not for any lifespan rules. This patch changes it to be only a pointer
> > and use the simpler api for this kind of thing.
> >
> > Cc: Stephen Hemminger <[EMAIL PROTECTED]>
> > Cc: Kay Sievers <[EMAIL PROTECTED]>
> > Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
> > ---
> > net/bridge/br_if.c | 2 +-
> > net/bridge/br_private.h | 2 +-
> > net/bridge/br_sysfs_br.c | 14 ++++----------
> > net/bridge/br_sysfs_if.c | 2 +-
> > 4 files changed, 7 insertions(+), 13 deletions(-)
> >
> > diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
> > index 935784f..dadec94 100644
> > --- a/net/bridge/br_if.c
> > +++ b/net/bridge/br_if.c
> > @@ -133,7 +133,7 @@ static void del_nbp(struct net_bridge_port *p)
> > struct net_bridge *br = p->br;
> > struct net_device *dev = p->dev;
> >
> > - sysfs_remove_link(&br->ifobj, dev->name);
> > + sysfs_remove_link(br->ifobj, dev->name);
> >
> > dev_set_promiscuity(dev, -1);
> >
> > diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
> > index f666f7b..c11b554 100644
> > --- a/net/bridge/br_private.h
> > +++ b/net/bridge/br_private.h
> > @@ -124,7 +124,7 @@ struct net_bridge
> > struct timer_list tcn_timer;
> > struct timer_list topology_change_timer;
> > struct timer_list gc_timer;
> > - struct kobject ifobj;
> > + struct kobject *ifobj;
> > };
> >
> > extern struct notifier_block br_device_notifier;
> > diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
> > index 3312e8f..4e7f91f 100644
> > --- a/net/bridge/br_sysfs_br.c
> > +++ b/net/bridge/br_sysfs_br.c
> > @@ -426,16 +426,10 @@ int br_sysfs_addbr(struct net_device *dev)
> > goto out2;
> > }
> >
> > -
> > - kobject_set_name(&br->ifobj, SYSFS_BRIDGE_PORT_SUBDIR);
> > - br->ifobj.ktype = NULL;
> > - br->ifobj.kset = NULL;
> > - br->ifobj.parent = brobj;
> > -
> > - err = kobject_register(&br->ifobj);
> > - if (err) {
> > + br->ifobj = kobject_create_and_add(SYSFS_BRIDGE_PORT_SUBDIR, brobj);
> > + if (!br->ifobj) {
> > pr_info("%s: can't add kobject (directory) %s/%s\n",
> > - __FUNCTION__, dev->name, kobject_name(&br->ifobj));
> > + __FUNCTION__, dev->name, SYSFS_BRIDGE_PORT_SUBDIR);
> > goto out3;
> > }
> > return 0;
> > @@ -453,7 +447,7 @@ void br_sysfs_delbr(struct net_device *dev)
> > struct kobject *kobj = &dev->dev.kobj;
> > struct net_bridge *br = netdev_priv(dev);
> >
> > - kobject_unregister(&br->ifobj);
> > + kobject_unregister(br->ifobj);
> > sysfs_remove_bin_file(kobj, &bridge_forward);
> > sysfs_remove_group(kobj, &bridge_group);
> > }
> > diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
> > index 79db51f..02b2d50 100644
> > --- a/net/bridge/br_sysfs_if.c
> > +++ b/net/bridge/br_sysfs_if.c
> > @@ -229,7 +229,7 @@ int br_sysfs_addif(struct net_bridge_port *p)
> > goto out2;
> > }
> >
> > - err= sysfs_create_link(&br->ifobj, &p->kobj, p->dev->name);
> > + err = sysfs_create_link(br->ifobj, &p->kobj, p->dev->name);
> > out2:
> > return err;
> > }
>
> Okay, but where is the new kobject freed?
In the call to kobject_unregister(), which has then later in the series
been converted to a call to kobject_put().
thanks,
greg k-h
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