diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 6adfc07..253871b 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -244,7 +244,7 @@
 	&dev_attr_pcrs.attr,
 	&dev_attr_caps.attr,
 	&dev_attr_cancel.attr,
-	0,
+	NULL,
 };
 
 static struct attribute_group nsc_attr_grp = { .attrs = nsc_attrs };