1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 92ee4d637270..48219117823b 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -750,7 +750,8 @@ WMI_execute_u32(u32 method_id, u32 in, u32 *out)
 
         obj = (union acpi_object *) result.pointer;
         if (obj && obj->type == ACPI_TYPE_BUFFER &&
-                obj->buffer.length == sizeof(u32)) {
+                (obj->buffer.length == sizeof(u32) ||
+                obj->buffer.length == sizeof(u64))) {
                 tmp = *((u32 *) obj->buffer.pointer);
         } else {
                 tmp = 0;
@@ -879,7 +880,8 @@ static acpi_status WMID_set_capabilities(void)
 
         obj = (union acpi_object *) out.pointer;
         if (obj && obj->type == ACPI_TYPE_BUFFER &&
-                obj->buffer.length == sizeof(u32)) {
+                (obj->buffer.length == sizeof(u32) ||
+                obj->buffer.length == sizeof(u64))) {
                 devices = *((u32 *) obj->buffer.pointer);
         } else {
                 kfree(out.pointer);
@@ -1522,7 +1524,8 @@ static u32 get_wmid_devices(void)
 
         obj = (union acpi_object *) out.pointer;
         if (obj && obj->type == ACPI_TYPE_BUFFER &&
-                obj->buffer.length == sizeof(u32)) {
+                (obj->buffer.length == sizeof(u32) ||
+                obj->buffer.length == sizeof(u64))) {
                 devices = *((u32 *) obj->buffer.pointer);
         }