diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 552fd9ffaca4e2d530cfc5151df76a82409f973f..3294cc8dc0730340c2b9703b09a8952ae60019a2 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -633,6 +633,10 @@ int apei_map_generic_address(struct acpi_generic_address *reg)
 	if (rc)
 		return rc;
 
+	/* IO space doesn't need mapping */
+	if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+		return 0;
+
 	if (!acpi_os_map_generic_address(reg))
 		return -ENXIO;
 
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 48354f82fba6f384e9fd2006109a4dd2dab9b5cd..66c3983f0ccca7aacb83feb63c34c5b9e4e36cab 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -352,6 +352,7 @@ static int acpi_fan_get_fps(struct acpi_device *device)
 		struct acpi_fan_fps *fps = &fan->fps[i];
 
 		snprintf(fps->name, ACPI_FPS_NAME_LEN, "state%d", i);
+		sysfs_attr_init(&fps->dev_attr.attr);
 		fps->dev_attr.show = show_state;
 		fps->dev_attr.store = NULL;
 		fps->dev_attr.attr.name = fps->name;