On 06/27/2013 04:54 PM, Bart Van Assche wrote: > Restrict the SCSI device state changes allowd via sysfs to the > OFFLINE<>RUNNING transitions. Other transitions may confuse > the SCSI mid-layer. As an example, changing the state of a SCSI > device via sysfs into "cancel" or "deleted" prevents removal of > a SCSI device by scsi_remove_host(). > > Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> > Cc: Tejun Heo <tj@xxxxxxxxxx> > Cc: James Bottomley <JBottomley@xxxxxxxxxxxxx> > Cc: Mike Christie <michaelc@xxxxxxxxxxx> > Cc: Hannes Reinecke <hare@xxxxxxx> > Cc: David Milburn <dmilburn@xxxxxxxxxx> > --- > drivers/scsi/scsi_sysfs.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c > index 931a7d9..013c6de 100644 > --- a/drivers/scsi/scsi_sysfs.c > +++ b/drivers/scsi/scsi_sysfs.c > @@ -605,7 +605,7 @@ store_state_field(struct device *dev, struct device_attribute *attr, > break; > } > } > - if (!state) > + if (state != SDEV_OFFLINE && state != SDEV_RUNNING) > return -EINVAL; > > if (scsi_device_set_state(sdev, state)) > Acked-by: Hannes Reinecke <hare@xxxxxxx> Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@xxxxxxx +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) -- 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
