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[PATCH] PCI: really fix parent's subordinate busnr

After you find the maximum value of the subordinate buses below the child
bus, you must fix the parent's subordinate bus number again, otherwise
it may be too small.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Kristen Accardi 19 년 전
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1개의 변경된 파일5개의 추가작업 그리고 0개의 파일을 삭제
  1. 5 0
      drivers/pci/probe.c

+ 5 - 0
drivers/pci/probe.c

@@ -537,6 +537,11 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max
 			pci_fixup_parent_subordinate_busnr(child, max);
 			/* Now we can scan all subordinate buses... */
 			max = pci_scan_child_bus(child);
+			/*
+			 * now fix it up again since we have found
+			 * the real value of max.
+			 */
+			pci_fixup_parent_subordinate_busnr(child, max);
 		} else {
 			/*
 			 * For CardBus bridges, we leave 4 bus numbers