ACPI, APEI, EINJ, limit the range of einj_param
authorChen Gong <gong.chen@linux.intel.com>
Sat, 3 Mar 2012 03:56:43 +0000 (11:56 +0800)
committerLen Brown <len.brown@intel.com>
Fri, 30 Mar 2012 07:30:18 +0000 (03:30 -0400)
On the platforms with ACPI4.x support, parameter extension
is not always doable, which means only parameter extension
is enabled, einj_param can take effect.

v2->v1: stopping early in einj_get_parameter_address for einj_param

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/apei/einj.c

index 4ca087dd5f4fceb797e1272912b06f082af7549d..3d3816f6d367207294d28fbb5a58b9220267f34a 100644 (file)
@@ -238,7 +238,7 @@ static void *einj_get_parameter_address(void)
                        return v5param;
                }
        }
-       if (paddrv4) {
+       if (param_extension && paddrv4) {
                struct einj_parameter *v4param;
 
                v4param = acpi_os_map_memory(paddrv4, sizeof(*v4param));