ACPICA: Fix miscellaneous warnings under gcc 4+

Some possible warnings with gcc 4+, especially with extended warnings
enabled

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 69a2aa5b5d83..395212bcd19b 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -338,13 +338,17 @@ acpi_resource_to_address64(struct acpi_resource *resource,
         switch (resource->type) {
         case ACPI_RESOURCE_TYPE_ADDRESS16:
 
-                address16 = (struct acpi_resource_address16 *)&resource->data;
+                address16 =
+                    ACPI_CAST_PTR(struct acpi_resource_address16,
+                                  &resource->data);
                 ACPI_COPY_ADDRESS(out, address16);
                 break;
 
         case ACPI_RESOURCE_TYPE_ADDRESS32:
 
-                address32 = (struct acpi_resource_address32 *)&resource->data;
+                address32 =
+                    ACPI_CAST_PTR(struct acpi_resource_address32,
+                                  &resource->data);
                 ACPI_COPY_ADDRESS(out, address32);
                 break;