diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 86ce56c32d37..7e1f825d903b 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2557,7 +2557,7 @@ int tomoyo_open_control(const u8 type, struct file *file)
 
 	if (!head)
 		return -ENOMEM;
-	mutex_init(&head->io_sem);
+	guard(mutex_init)(&head->io_sem);
 	head->type = type;
 	switch (type) {
 	case TOMOYO_DOMAINPOLICY: