1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 948c95e80d44..e4e1468877c3 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -68,8 +68,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
          * Note: Sometimes there exists more than one RSDP in memory; the valid
          * RSDP has a valid checksum, all others have an invalid checksum.
          */
-        if (ACPI_STRNCMP((char *)rsdp->signature, ACPI_SIG_RSDP,
-                         sizeof(ACPI_SIG_RSDP) - 1) != 0) {
+        if (!ACPI_VALIDATE_RSDP_SIG(rsdp->signature)) {
 
                 /* Nope, BAD Signature */
 
@@ -112,7 +111,7 @@ acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
  *
  ******************************************************************************/
 
-acpi_status acpi_find_root_pointer(acpi_size *table_address)
+acpi_status __init acpi_find_root_pointer(acpi_size *table_address)
 {
         u8 *table_ptr;
         u8 *mem_rover;