Commit ab462768 authored by Alan Cox's avatar Alan Cox Committed by Paul Mackerras
Browse files

[POWERPC] pci_32.c: Switch to ref counting PCI API 



pci_find_slot isn't hot-plug safe.  Move this code to the pci hotplug
safe equivalent and hold a refcount properly while doing
make_one_node_map.

Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 37f01d64

arch/powerpc/kernel/pci_32.c

+5 −2
Original line number Diff line number Diff line
@@ -656,10 +656,13 @@ make_one_node_map(struct device_node* node, u8 pci_bus) 
		reg = of_get_property(node, "reg", NULL);

		if (!reg)

			continue;

		dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff));

		if (!dev || !dev->subordinate)

		dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));

		if (!dev || !dev->subordinate) {

			pci_dev_put(dev);

			continue;

		}

		make_one_node_map(node, dev->subordinate->number);

		pci_dev_put(dev);

	}

}

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