commit 2bc198c1527be998850ade8f91ec7d340b67fdf3
author Lv Zheng <lv.zheng@intel.com> Thu Sep 13 09:29:06 2012 -0700
committer Len Brown <len.brown@intel.com> Fri Sep 21 00:35:12 2012 -0400
tree f3164a231795968c125aa7a4e6f38850462076d9
parent ca4a03143f6c911189f708a3a3c7eae3dfb8678c

ACPICA: Table Manager: Merge duplicate code (root table)

Merge/remove duplicate code in the root table resize functions
One function is external, the other is internal.  Lv Zheng,

ACPICA BZ 846:
https://acpica.org/bugzilla/show_bug.cgi?id=846

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/acpica/tbinstal.c

diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 74f97d7..70f9d78 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -350,6 +350,7 @@
 acpi_status acpi_tb_resize_root_table_list(void)
 {
 	struct acpi_table_desc *tables;
+	u32 table_count;
 
 	ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
 
@@ -363,8 +364,13 @@
 
 	/* Increase the Table Array size */
 
-	tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
-				       max_table_count +
+	if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
+		table_count = acpi_gbl_root_table_list.max_table_count;
+	} else {
+		table_count = acpi_gbl_root_table_list.current_table_count;
+	}
+
+	tables = ACPI_ALLOCATE_ZEROED(((acpi_size) table_count +
 				       ACPI_ROOT_TABLE_SIZE_INCREMENT) *
 				      sizeof(struct acpi_table_desc));
 	if (!tables) {
@@ -377,8 +383,8 @@
 
 	if (acpi_gbl_root_table_list.tables) {
 		ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
-			    (acpi_size) acpi_gbl_root_table_list.
-			    max_table_count * sizeof(struct acpi_table_desc));
+			    (acpi_size) table_count *
+			    sizeof(struct acpi_table_desc));
 
 		if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
 			ACPI_FREE(acpi_gbl_root_table_list.tables);
@@ -386,9 +392,9 @@
 	}
 
 	acpi_gbl_root_table_list.tables = tables;
-	acpi_gbl_root_table_list.max_table_count +=
-	    ACPI_ROOT_TABLE_SIZE_INCREMENT;
-	acpi_gbl_root_table_list.flags |= (u8)ACPI_ROOT_ORIGIN_ALLOCATED;
+	acpi_gbl_root_table_list.max_table_count =
+	    table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
+	acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
 
 	return_ACPI_STATUS(AE_OK);
 }