> On Fri, 2009-10-02 at 16:04 -0600, Moger, Babu wrote:
> > Chandra, I have one comment on this patch..
> >
> > > static inline int scsi_dh_handler_exist(const char *name)
> > > Index: linux-2.6.31/drivers/scsi/device_handler/scsi_dh.c
> > > ===================================================================
> > > --- linux-2.6.31.orig/drivers/scsi/device_handler/scsi_dh.c
> > > +++ linux-2.6.31/drivers/scsi/device_handler/scsi_dh.c
> > > @@ -214,7 +214,7 @@ store_dh_state(struct device *dev, struc
> > > * Activate a device handler
> > > */
> > > if (scsi_dh->activate)
> > > - err = scsi_dh->activate(sdev);
> > > + err = scsi_dh->activate(sdev, NULL, NULL);
> >
> >
> > This might cause problems in handlers. We don’t do NULL check in
> attach routine.
>
> I assume you meant activate(), when you mention "attach" above.
>
> At every place where the callback function is called, we first check
> that the callback function is not NULL.
>
> Can you point me if I missed some place.
>
Sorry for the confusion.. Yes, I meant activate.
You are right. All the handlers check for NULL before calling. We are good here..
I misread the code..
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