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-rw-r--r--drivers/acpi/tables/tbinstal.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 905dc38ab23..18747ce8dd2 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -110,7 +110,6 @@ acpi_status
acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
{
u32 i;
- u32 length;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE(tb_add_table);
@@ -145,13 +144,18 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
}
}
- /* Check for a table match on the entire table length */
+ /*
+ * Check for a table match on the entire table length,
+ * not just the header.
+ */
+ if (table_desc->length !=
+ acpi_gbl_root_table_list.tables[i].length) {
+ continue;
+ }
- length = ACPI_MIN(table_desc->length,
- acpi_gbl_root_table_list.tables[i].length);
if (ACPI_MEMCMP(table_desc->pointer,
acpi_gbl_root_table_list.tables[i].pointer,
- length)) {
+ acpi_gbl_root_table_list.tables[i].length)) {
continue;
}