[PATCH] PPC pci_32: Stop using old hotplug unsafe APIs

[Alan Cox]

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

Signed-off-by: Alan Cox <alan@xxxxxxxxxx>

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c linux-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c
--- linux.vanilla-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c	2007-04-12 14:14:43.000000000 +0100
+++ linux-2.6.21-rc6-mm1/arch/powerpc/kernel/pci_32.c	2007-04-23 12:20:22.007864440 +0100
@@ -656,10 +656,13 @@
 		reg = 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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