If ACPI doesn't find an irq listed, don't accept 0 as a valid PCI irq.
commit44f8e1a20cf3afe10a3744bd9317808a39a242bb
authorLinus Torvalds <torvalds@g5.osdl.org>
Sat, 2 Jul 2005 17:35:33 +0000 (2 10:35 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sat, 2 Jul 2005 17:35:33 +0000 (2 10:35 -0700)
treee6a38b3d6bf434f08054562113bb660c4227769f
parent4a89a04f1ee21a7c1f4413f1ad7dcfac50ff9b63
If ACPI doesn't find an irq listed, don't accept 0 as a valid PCI irq.

That zero just means that nothing else found any irq information either.
drivers/acpi/pci_irq.c