linux-kernel - Bad regression v 2.6.19 from the ATA ACPI merge

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Message-ID: <20070308013746.751281a6@lxorguk.ukuu.org.uk>
Date:	Thu, 8 Mar 2007 01:37:46 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	torvalds@...l.org, linux-kernel@...r.kernel.org, jgarzik@...ox.com,
	Adrian Bunk <bunk@...sta.de>
Subject: Bad regression v 2.6.19 from the ATA ACPI merge

Every single non-PCI controller has been broken by this code.

pata_get_dev_handle() assumes that the passed ata_port is PCI. The
libata-core code does not do any checking. This causes everyone to
experience oopses with pata_pcmcia for example.

Multiple examples of the bug in our FC7test tree reports from end users
trying the new libata and kernels.

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