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-rw-r--r--drivers/pci/probe.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index e5df036..1436288 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -805,10 +805,12 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
}
cmax = pci_scan_child_bus(child);
- if (cmax > max)
- max = cmax;
- if (child->busn_res.end > max)
- max = child->busn_res.end;
+ if (cmax > subordinate)
+ dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n",
+ subordinate, cmax);
+ /* subordinate should equal child->busn_res.end */
+ if (subordinate > max)
+ max = subordinate;
} else {
/*
* We need to assign a number to this bus which we always
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