1 files changed, 21 insertions, 34 deletions

diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 402f93e1ff20..b22185f55a16 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -107,11 +107,10 @@ acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
  ******************************************************************************/
 
 acpi_status
-acpi_tb_add_table(struct acpi_table_desc *table_desc,
-                  acpi_native_uint * table_index)
+acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 {
-        acpi_native_uint i;
-        acpi_native_uint length;
+        u32 i;
+        u32 length;
         acpi_status status = AE_OK;
 
         ACPI_FUNCTION_TRACE(tb_add_table);
@@ -123,24 +122,13 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
                 }
         }
 
-        /* The table must be either an SSDT or a PSDT or an OEMx */
-
-        if (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT)&&
-            !ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)&&
-            strncmp(table_desc->pointer->signature, "OEM", 3)) {
-                /* Check for a printable name */
-                if (acpi_ut_valid_acpi_name(
-                        *(u32 *) table_desc->pointer->signature)) {
-                        ACPI_ERROR((AE_INFO, "Table has invalid signature "
-                                        "[%4.4s], must be SSDT or PSDT",
-                                    table_desc->pointer->signature));
-                } else {
-                        ACPI_ERROR((AE_INFO, "Table has invalid signature "
-                                        "(0x%8.8X), must be SSDT or PSDT",
-                                    *(u32 *) table_desc->pointer->signature));
-                }
-                return_ACPI_STATUS(AE_BAD_SIGNATURE);
-        }
+        /*
+         * Originally, we checked the table signature for "SSDT" or "PSDT" here.
+         * Next, we added support for OEMx tables, signature "OEM".
+         * Valid tables were encountered with a null signature, so we've just
+         * given up on validating the signature, since it seems to be a waste
+         * of code. The original code was removed (05/2008).
+         */
 
         (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 
@@ -218,8 +206,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
 
         /* Increase the Table Array size */
 
-        tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size +
-                                       ACPI_ROOT_TABLE_SIZE_INCREMENT)
+        tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
+                                       size + ACPI_ROOT_TABLE_SIZE_INCREMENT)
                                       * sizeof(struct acpi_table_desc));
         if (!tables) {
                 ACPI_ERROR((AE_INFO,
@@ -231,7 +219,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
 
         if (acpi_gbl_root_table_list.tables) {
                 ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
-                            acpi_gbl_root_table_list.size *
+                            (acpi_size) acpi_gbl_root_table_list.size *
                             sizeof(struct acpi_table_desc));
 
                 if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
@@ -264,7 +252,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
 acpi_status
 acpi_tb_store_table(acpi_physical_address address,
                     struct acpi_table_header *table,
-                    u32 length, u8 flags, acpi_native_uint * table_index)
+                    u32 length, u8 flags, u32 *table_index)
 {
         acpi_status status = AE_OK;
 
@@ -345,7 +333,7 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
 
 void acpi_tb_terminate(void)
 {
-        acpi_native_uint i;
+        u32 i;
 
         ACPI_FUNCTION_TRACE(tb_terminate);
 
@@ -385,7 +373,7 @@ void acpi_tb_terminate(void)
  *
  ******************************************************************************/
 
-void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
+void acpi_tb_delete_namespace_by_owner(u32 table_index)
 {
         acpi_owner_id owner_id;
 
@@ -414,7 +402,7 @@ void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
+acpi_status acpi_tb_allocate_owner_id(u32 table_index)
 {
         acpi_status status = AE_BAD_PARAMETER;
 
@@ -442,7 +430,7 @@ acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
  *
  ******************************************************************************/
 
-acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
+acpi_status acpi_tb_release_owner_id(u32 table_index)
 {
         acpi_status status = AE_BAD_PARAMETER;
 
@@ -473,8 +461,7 @@ acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
  *
  ******************************************************************************/
 
-acpi_status
-acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
+acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
 {
         acpi_status status = AE_BAD_PARAMETER;
 
@@ -501,7 +488,7 @@ acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
  *
  ******************************************************************************/
 
-u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
+u8 acpi_tb_is_table_loaded(u32 table_index)
 {
         u8 is_loaded = FALSE;
 
@@ -529,7 +516,7 @@ u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
  *
  ******************************************************************************/
 
-void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded)
+void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
 {
 
         (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);