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-rw-r--r--drivers/iommu/dmar.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 7b16c4db40b4..c000ddff822e 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -441,12 +441,13 @@ static int __init dmar_parse_one_andd(struct acpi_dmar_header *header,
 
 	/* Check for NUL termination within the designated length */
 	if (strnlen(andd->device_name, header->length - 8) == header->length - 8) {
-		WARN_TAINT(1, TAINT_FIRMWARE_WORKAROUND,
+		pr_warn(FW_BUG
 			   "Your BIOS is broken; ANDD object name is not NUL-terminated\n"
 			   "BIOS vendor: %s; Ver: %s; Product Version: %s\n",
 			   dmi_get_system_info(DMI_BIOS_VENDOR),
 			   dmi_get_system_info(DMI_BIOS_VERSION),
 			   dmi_get_system_info(DMI_PRODUCT_VERSION));
+		add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
 		return -EINVAL;
 	}
 	pr_info("ANDD device: %x name: %s\n", andd->device_number,
@@ -472,14 +473,14 @@ static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg)
 			return 0;
 		}
 	}
-	WARN_TAINT(
-		1, TAINT_FIRMWARE_WORKAROUND,
+	pr_warn(FW_BUG
 		"Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n"
 		"BIOS vendor: %s; Ver: %s; Product Version: %s\n",
 		drhd->reg_base_addr,
 		dmi_get_system_info(DMI_BIOS_VENDOR),
 		dmi_get_system_info(DMI_BIOS_VERSION),
 		dmi_get_system_info(DMI_PRODUCT_VERSION));
+	add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
 
 	return 0;
 }
@@ -828,14 +829,14 @@ int __init dmar_table_init(void)
 
 static void warn_invalid_dmar(u64 addr, const char *message)
 {
-	WARN_TAINT_ONCE(
-		1, TAINT_FIRMWARE_WORKAROUND,
+	pr_warn_once(FW_BUG
 		"Your BIOS is broken; DMAR reported at address %llx%s!\n"
 		"BIOS vendor: %s; Ver: %s; Product Version: %s\n",
 		addr, message,
 		dmi_get_system_info(DMI_BIOS_VENDOR),
 		dmi_get_system_info(DMI_BIOS_VERSION),
 		dmi_get_system_info(DMI_PRODUCT_VERSION));
+	add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);
 }
 
 static int __ref