RE: [PATCH 1/4] scsi_dh: Change the scsidh_activate interface to be asynchronous

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

Thanks

chandra

> 
> 
> >  			else
> >  				err = 0;
> >  		}


--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux