2 files changed, 8 insertions, 19 deletions

diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 402f93e1ff20..5336ce88f89f 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -123,24 +123,13 @@ 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);
 
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index fb57b93c2495..0e319604d3e7 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -540,7 +540,7 @@ static acpi_status acpi_tb_load_namespace(void)
                 acpi_tb_print_table_header(0, table);
 
                 if (no_auto_ssdt == 0) {
-                        printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"");
+                        printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
                 }
         }