Merge tag 'topic/drm-fixes-2015-11-11' of git://anongit.freedesktop.org/drm-intel...

[deliverable/linux.git] / drivers / of / address.c

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 384574c3987c337444181d68346ce9d95963f027..cd53fe4a0c8684900a94fb4bee76f9bd668e3837 100644 (file)
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -330,6 +330,12 @@ int of_pci_range_to_resource(struct of_pci_range *range,
                }
                res->start = port;
        } else {
+               if ((sizeof(resource_size_t) < 8) &&
+                   upper_32_bits(range->cpu_addr)) {
+                       err = -EINVAL;
+                       goto invalid_range;
+               }
+
                res->start = range->cpu_addr;
        }
        res->end = res->start + range->size - 1;