[2.5 patch] fix buggy comparison in cpqphp_pci.c

Adrian Bunk (bunk@fs.tum.de)
Sat, 21 Jun 2003 16:21:53 +0200


Hi Greg,

I don't understand the code good enough to be sure my patch is correct,
but the current code is definitely buggy:

0xFF is the maximum value for an u8, so tdevice < 0x100 is _always_
true.

cu
Adrian

--- linux-2.5.72-mm2/drivers/pci/hotplug/cpqphp_pci.c.old 2003-06-21 16:16:14.000000000 +0200
+++ linux-2.5.72-mm2/drivers/pci/hotplug/cpqphp_pci.c 2003-06-21 16:16:45.000000000 +0200
@@ -198,7 +198,7 @@

ctrl->pci_bus->number = bus_num;

- for (tdevice = 0; tdevice < 0x100; tdevice++) {
+ for (tdevice = 0; tdevice < 0xFF; tdevice++) {
//Scan for access first
if (PCI_RefinedAccessConfig(ctrl->pci_bus, tdevice, 0x08, &work) == -1)
continue;
@@ -210,7 +210,7 @@
return 0;
}
}
- for (tdevice = 0; tdevice < 0x100; tdevice++) {
+ for (tdevice = 0; tdevice < 0xFF; tdevice++) {
//Scan for access first
if (PCI_RefinedAccessConfig(ctrl->pci_bus, tdevice, 0x08, &work) == -1)
continue;
-
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