On Mon, 2011-09-26 at 10:20 -0400, Neil Horman wrote:
> On Mon, Sep 26, 2011 at 04:40:48PM +0300, Dan Carpenter wrote:
> > Hi Neil,
> >
> > c98bc57ee65b6 "[SCSI] cxgb3i: convert cdev->l2opt to use rcu to
> > prevent NULL dereference (v2)" from linux-next introduces a usinging
> > uninitialized variable bug.
> >
> > struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
> > struct net_device *dev)
> > {
> > - struct l2t_entry *e;
> > - struct l2t_data *d = L2DATA(cdev);
> > + struct l2t_entry *e = NULL;
> > + struct l2t_data *d;
> > u32 addr = *(u32 *) neigh->primary_key;
> > int ifidx = neigh->dev->ifindex;
> > int hash = arp_hash(addr, ifidx, d);
> > ^
> > Uninitialized variable.
> >
> > struct port_info *p = netdev_priv(dev);
> > int smt_idx = p->port_id;
> >
> > + rcu_read_lock();
> > + d = L2DATA(cdev);
> > + if (!d)
> > + goto done_rcu;
> > +
> >
> > regards,
> > dan carpenter
> >
>
> Yup, thanks, you need this to9 fix the uninitalized var.
I rolled this into the original.
James
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