On Wed, Apr 24, 2013 at 06:06:25PM +0800, Asias He wrote:
> > > +{
> > > +
> > > + struct vhost_scsi *vs = tpg->vhost_scsi;
> > > + struct vhost_virtqueue *vq;
> > > + u32 reason;
> > > + int ret;
> > > +
> > > + mutex_lock(&tpg->tv_tpg_mutex);
> > > + vs = tpg->vhost_scsi;
> > > + mutex_unlock(&tpg->tv_tpg_mutex);
> > > + if (!vs)
> > > + return -ENODEV;
> > > +
> >
> > What if clear_endpoint and close happen at this
> > point? Can vhost_scsi go away so tcm_vhost_check_feature
> > references freed memory?
>
> There is no easy way to handle this.
Take a reference somewhere so this can't happen?
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