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path: root/drivers/acpi/tables/tbinstal.c
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Diffstat (limited to 'drivers/acpi/tables/tbinstal.c')
-rw-r--r--drivers/acpi/tables/tbinstal.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 3bc0c67a928..402f93e1ff2 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -125,13 +125,20 @@ 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))) {
- ACPI_ERROR((AE_INFO,
- "Table has invalid signature [%4.4s], must be SSDT, PSDT or OEMx",
- table_desc->pointer->signature));
+ 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);
}
@@ -162,6 +169,7 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
acpi_tb_delete_table(table_desc);
*table_index = i;
+ status = AE_ALREADY_EXISTS;
goto release;
}