linux-kernel - Re: Linux 2.6.22.8, pata

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Date:	Tue, 25 Sep 2007 19:03:24 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Greg KH <gregkh@...e.de>
cc:	Oliver Pinter <oliver.pntr@...il.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.22.8, pata_ali issue

>From my point, sorry for thread hijacking, but I did not have
the upper node anymore.

So, here is something that I think should go into the next 2.6.22.
A proper fix is already in 2.6.23-git-du-jour.

/home/build/rt.jengelh.10.2-i386/var/tmp/kernel-source-2.6.22.7-build
/usr/src/linux-2.6.22.7-13.1/drivers/ata/pata_ali.c:
In function ■ali_init_chipset■:

/home/build/rt.jengelh.10.2-i386/var/tmp/kernel-source-2.6.22.7-build
/usr/src/linux-2.6.22.7-13.1/drivers/ata/pata_ali.c:466:
warning: ■rev■ is used uninitialized in this function

Yes, it is indeed used uninitialized, and that is dangerous,
given that I do have a chipset that uses pata_ali.ko and
currently runs a 'broken' kernel...it has not exploded yet, though.

I could not backport and create a patch because struct pci_dev
does not have the ->revision field in 2.6.22 yet. Ideas?
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