From 4ddbae8255a0f223846c86b41d8b4e4cdcc1d8e2 Mon Sep 17 00:00:00 2001
From: Michael Pavone <pavone@retrodev.com>
Date: Mon, 9 Nov 2020 00:29:47 -0800
Subject: Add a UI button to reset config to defaults

---
 tern.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'tern.c')

diff --git a/tern.c b/tern.c
index b4c26d9..598104b 100644
--- a/tern.c
+++ b/tern.c
@@ -305,12 +305,11 @@ char * tern_int_key(uint32_t key, char * buf)
 
 void tern_free(tern_node *head)
 {
-	if (head->left) {
-		tern_free(head->left);
-	}
-	if (head->right) {
-		tern_free(head->right);
+	if (!head) {
+		return;
 	}
+	tern_free(head->left);
+	tern_free(head->right);
 	if (head->el) {
 		tern_free(head->straight.next);
 	}
-- 
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