From 8230c814d6d97bc5b9c4fc9784ec4d86853bab0d Mon Sep 17 00:00:00 2001
From: Carl Smith <carl.smith@alliedtelesis.co.nz>
Date: Wed, 17 Apr 2024 09:06:08 +1200
Subject: [PATCH] Dont print error if apteryx_path_node passed NULL tree

It is commonly used to check if a tree has a path and that
tree may be completely empty.
---
 apteryx.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/apteryx.c b/apteryx.c
index 423d3c7..0fb9163 100644
--- a/apteryx.c
+++ b/apteryx.c
@@ -1109,7 +1109,11 @@ apteryx_path_node (GNode *node, const char *path)
     char *node_name;
     size_t node_name_len;
 
-    ASSERT (node != NULL && path != NULL, return false, "PATH_NODE: Invalid parameters\n");
+    ASSERT (path != NULL, return NULL, "PATH_NODE: Invalid parameters\n");
+
+    /* Common practice to try to find a path in an empty tree */
+    if (node == NULL)
+        return NULL;
 
     /* Check path */
     path = validate_path (path, NULL);