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Correct parsing of the cpcht ranges property.

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Submitted by:	andreast
MFC after:	2 weeks
This commit is contained in:
Nathan Whitehorn 2011-01-20 15:02:51 +00:00
parent 91f17c6faa
commit 1161b88d4a
1 changed files with 3 additions and 2 deletions
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5
sys/powerpc/powermac/cpcht.c
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@ -282,7 +282,7 @@ cpcht_configure_htbridge(device_t dev, phandle_t child)
{
struct cpcht_softc *sc;
struct ofw_pci_register pcir;
struct cpcht_range ranges[6], *rp;
struct cpcht_range ranges[7], *rp;
int nranges, ptr, nextptr;
uint32_t vend, val;
int i, nirq, irq;
@ -306,9 +306,10 @@ cpcht_configure_htbridge(device_t dev, phandle_t child)
*/
bzero(ranges, sizeof(ranges));
nranges = OF_getprop(child, "ranges", ranges, sizeof(ranges));
nranges /= sizeof(ranges[0]);
ranges[6].pci_hi = 0;
for (rp = ranges; rp->pci_hi != 0; rp++) {
for (rp = ranges; rp < ranges + nranges && rp->pci_hi != 0; rp++) {
switch (rp->pci_hi & OFW_PCI_PHYS_HI_SPACEMASK) {
case OFW_PCI_PHYS_HI_SPACE_CONFIG:
break;