Re: [PATCH 4.4 091/143] scsi: aic94xx: fix module loading

From: James Bottomley
Date: Mon Feb 18 2019 - 10:23:26 EST

On Mon, 2019-02-18 at 14:43 +0100, Greg Kroah-Hartman wrote:
> 4.4-stable review patch. If anyone has any objections, please let me
> know.
> ------------------
> From: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> commit 42caa0edabd6a0a392ec36a5f0943924e4954311 upstream.
> The aic94xx driver is currently failing to load with errors like
> sysfs: cannot create duplicate filename
> '/devices/pci0000:00/0000:00:03.0/0000:02:00.3/0000:07:02.0/revision'
> Because the PCI code had recently added a file named 'revision' to
> every PCI device. Fix this by renaming the aic94xx revision file to
> aic_revision. This is safe to do for us because as far as I can
> tell, there's nothing in userspace relying on the current aic94xx
> revision file so it can be renamed without breaking anything.
> Fixes: 702ed3be1b1b (PCI: Create revision file in sysfs)

jejb@jarvis:~/git/linux> git describe --contains 702ed3be1b1b

I suppose interface consistency is useful, but under the stable rules,
shouldn't this only be ported as far back as the bug it fixes?