diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 2d557d1..8eff218 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -410,8 +410,11 @@ static int ata_acpi_exec_tfs(struct ata_device *dev)
 
 	/* get taskfiles */
 	rc = ata_dev_get_GTF(dev, &gtf, &ptr_to_free);
-	if (rc < 0)
+	if (rc < 0) {
+		if (rc == -EINVAL)
+			return 0;
 		return rc;
+	}
 	gtf_count = rc;
 
 	/* execute them */