1 files changed, 5 insertions, 36 deletions

diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 29e51bc01383..21101262e47a 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -159,14 +159,12 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
  * DESCRIPTION: Reallocate Root Table List into dynamic memory. Copies the
  *              root list from the previously provided scratch area. Should
  *              be called once dynamic memory allocation is available in the
- *              kernel
+ *              kernel.
  *
  ******************************************************************************/
 acpi_status acpi_reallocate_root_table(void)
 {
-        struct acpi_table_desc *tables;
-        acpi_size new_size;
-        acpi_size current_size;
+        acpi_status status;
 
         ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
 
@@ -178,39 +176,10 @@ acpi_status acpi_reallocate_root_table(void)
                 return_ACPI_STATUS(AE_SUPPORT);
         }
 
-        /*
-         * Get the current size of the root table and add the default
-         * increment to create the new table size.
-         */
-        current_size = (acpi_size)
-            acpi_gbl_root_table_list.current_table_count *
-            sizeof(struct acpi_table_desc);
-
-        new_size = current_size +
-            (ACPI_ROOT_TABLE_SIZE_INCREMENT * sizeof(struct acpi_table_desc));
-
-        /* Create new array and copy the old array */
-
-        tables = ACPI_ALLOCATE_ZEROED(new_size);
-        if (!tables) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
-        }
+        acpi_gbl_root_table_list.flags |= ACPI_ROOT_ALLOW_RESIZE;
 
-        ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, current_size);
-
-        /*
-         * Update the root table descriptor. The new size will be the current
-         * number of tables plus the increment, independent of the reserved
-         * size of the original table list.
-         */
-        acpi_gbl_root_table_list.tables = tables;
-        acpi_gbl_root_table_list.max_table_count =
-            acpi_gbl_root_table_list.current_table_count +
-            ACPI_ROOT_TABLE_SIZE_INCREMENT;
-        acpi_gbl_root_table_list.flags =
-            ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
-
-        return_ACPI_STATUS(AE_OK);
+        status = acpi_tb_resize_root_table_list();
+        return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************