1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index c76bfbb7da08..923e0bcc3bfd 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -396,6 +396,13 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
 
         saw_mem = saw_io = 0;
         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);
 
         for (i = 0; i < num_pbm_ranges; i++) {