On Thu, 21 Apr 2022 13:17:51 +0300 Nikolay Aleksandrov wrote:
> On 21/04/2022 13:12, Clément Léger wrote:
> > br_vlan_group() can return NULL and thus return value must be checked
> > to avoid dereferencing a NULL pointer.
> >
> > Fixes: 6284c723d9b9 ("net: bridge: mst: Notify switchdev drivers of VLAN MSTI migrations")
> > Signed-off-by: Clément Léger <clement.leger@xxxxxxxxxxx>
> > ---
> > net/bridge/br_switchdev.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
> > index 81400e0b26ac..8f3d76c751dd 100644
> > --- a/net/bridge/br_switchdev.c
> > +++ b/net/bridge/br_switchdev.c
> > @@ -354,6 +354,8 @@ static int br_switchdev_vlan_attr_replay(struct net_device *br_dev,
> > attr.orig_dev = br_dev;
> >
> > vg = br_vlan_group(br);
> > + if (!vg)
> > + return 0;
> >
> > list_for_each_entry(v, &vg->vlan_list, vlist) {
> > if (v->msti) {
>
> Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
Thanks! Applying to net tho, the patch in question is already
in Linus's tree.
