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Commit 4209ab09 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Check of_get_property() return in pci_determine_mem_io_space().



If the PCI controller lacks the 'ranges' property nothing
is going to work.

Noticed by Al Viro.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 719023fb
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+7 −0
Original line number Original line Diff line number Diff line
@@ -396,6 +396,13 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)


	saw_mem = saw_io = 0;
	saw_mem = saw_io = 0;
	pbm_ranges = of_get_property(pbm->prom_node, "ranges", &i);
	pbm_ranges = of_get_property(pbm->prom_node, "ranges", &i);
	if (!pbm_ranges) {
		prom_printf("PCI: Fatal error, missing PBM ranges property "
			    " for %s\n",
			    pbm->name);
		prom_halt();
	}

	num_pbm_ranges = i / sizeof(*pbm_ranges);
	num_pbm_ranges = i / sizeof(*pbm_ranges);


	for (i = 0; i < num_pbm_ranges; i++) {
	for (i = 0; i < num_pbm_ranges; i++) {