#3062: When a PCI addreess range is empty PCI Library Programs Bridges with
errouneous address range
--------------------------+--------------------
Reporter: Jeffrey Hill | Owner: (none)
Type: defect | Status: new
Priority: normal | Milestone:
Component: General | Version: 4.12
Severity: normal | Keywords:
--------------------------+--------------------
It looks like defensive code as below should be added to the top of
pci_set_bar in pci_cfg_auto.c so that, when the bridge address range is
empty, erroneous address ranges are not programmed into the bridge device.
{{{
@@ -703,47 +707,49 @@ static void pci_set_bar(struct pci_dev *dev, int
residx)
if ((res->flags == 0) || (res->flags & PCI_RES_FAIL))
return;
+ if ( res->end <= res->start )
+ return;
+
}}}
--
Ticket URL: <http://devel.rtems.org/ticket/3062>
RTEMS Project <http://www.rtems.org/>
RTEMS Project
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