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ACPI, APEI, EINJ, limit the range of einj_param

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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>
This commit is contained in:
Chen Gong 2012-03-03 11:56:43 +08:00 committed by Len Brown
parent 7ed28f2ed4
commit 185210cc75
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/apei/einj.c
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@ -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));