Fix pci_claim_resource
Instead of starting from the iomem or ioport roots, start from the parent bus' resources. This fixes a bug where child resources would appear above their parents resources if they had the same size. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Tested-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 2 additions and 2 deletions
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@ -99,11 +99,11 @@ void pci_update_resource(struct pci_dev *dev, int resno)
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int pci_claim_resource(struct pci_dev *dev, int resource)
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{
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struct resource *res = &dev->resource[resource];
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struct resource *root = NULL;
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struct resource *root;
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char *dtype = resource < PCI_BRIDGE_RESOURCES ? "device" : "bridge";
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int err;
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root = pcibios_select_root(dev, res);
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root = pci_find_parent_resource(dev, res);
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err = -EINVAL;
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if (root != NULL)
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