Bad regression v 2.6.19 from the ATA ACPI merge

From: Alan Cox
Date: Wed Mar 07 2007 - 19:35:56 EST


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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