diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c
index 9967c1c5c713bac56e25bf90c5f8b16d9f513d43..e43d5554b50628b823db9f026f98e2191bc6090e 100644
--- a/security/tomoyo/securityfs_if.c
+++ b/security/tomoyo/securityfs_if.c
@@ -95,6 +95,7 @@ static const struct file_operations tomoyo_operations = {
 	.poll    = tomoyo_poll,
 	.read    = tomoyo_read,
 	.write   = tomoyo_write,
+	.llseek  = noop_llseek,
 };
 
 /**