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powerpc/pci: Fix checking for child bridges in PCI code.
pci_device_to_OF_node() can return null, and list_for_each_entry will never enter the loop when dev is NULL, so it looks like this test is a typo. Reported-by: Julia Lawall <julia@diku.dk> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -336,7 +336,8 @@ static void __devinit __of_scan_bus(struct device_node *node,
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if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE ||
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dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
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struct device_node *child = pci_device_to_OF_node(dev);
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of_scan_pci_bridge(child, dev);
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if (child)
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of_scan_pci_bridge(child, dev);
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}
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}
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}
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