On Fri, Jan 29, 2016 at 05:32:54PM -0600, Mike Christie wrote:
> Hey Christoph and Hannes,
>
> The dh/alua changes that added this:
>
> error = scsi_dh_add_device(sdev);
> if (error) {
> sdev_printk(KERN_INFO, sdev,
> "failed to add device handler: %d\n",
> error);
> return error;
> }
>
> to scsi_sysfs_add_sdev are adding a regression.
>
> 1. If that fails, then we forget to do device_del before doing the
> return. My patch in this thread added that back, so we do not see the
> sysfs oopses anymore. But.....
Ok.
> 2. It looks like in older kernels, we would allow misconfigured targets
> like this one to still setup devices. Do we want that old behavior back?
> Should we just ignore the return value from scsi_dh_add_device above?
> Note that in this case, it is LIO so it can be easily fixed on the
> target side by just setting it up properly. I do not think other targets
> would hit this type of issue.
Be liberal in what you accept.. I guess we need to continue allowing
to connect to these broken targets, but a warning would be useful.
Can you send a patch?
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