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

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Message-ID: <1550503401.2834.1.camel@HansenPartnership.com>
Date:   Mon, 18 Feb 2019 07:23:21 -0800
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH 4.4 091/143] scsi: aic94xx: fix module loading

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@...senPartnership.com>
> 
> 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@...vis:~/git/linux> git describe --contains 702ed3be1b1b
v4.10-rc1~94^2~18^2~1

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?

James