From 9d5250fd98679e09c4c1a44883f9312a21f1ac6d Mon Sep 17 00:00:00 2001
From: Tim Gover <tim.gover@raspberrypi.com>
Date: Wed, 25 May 2022 12:08:43 +0100
Subject: [PATCH] libfdt: Add null-ptr check for prop-data to resolve clang
 --analyzer warning

---
 opensrc/helpers/libfdt/fdt_rw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/opensrc/helpers/libfdt/fdt_rw.c b/opensrc/helpers/libfdt/fdt_rw.c
index 6ad89e0..6d4754f 100644
--- a/opensrc/helpers/libfdt/fdt_rw.c
+++ b/opensrc/helpers/libfdt/fdt_rw.c
@@ -268,6 +268,9 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
 	if (err)
 		return err;
 
+	if (!prop_data)
+		return -FDT_ERR_NOTFOUND;
+
 	if (len)
 		memcpy(prop_data, val, len);
 	return 0;