[PATCH] boot: cedit: Check ofnode_read_prop return value

[Francois Berder]

In h_read_settings, val variable could be NULL due to
ofnode_read_prop returning an error. This variable
would then be used as the src in strcpy.

Add a NULL check after calling ofnode_read_prop.

Signed-off-by: Francois Berder <fberder at outlook.fr>
---
 boot/cedit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/boot/cedit.c b/boot/cedit.c
index 56dc7c6af15..49155b42961 100644
--- a/boot/cedit.c
+++ b/boot/cedit.c
@@ -500,6 +500,8 @@ static int h_read_settings(struct scene_obj *obj, void *vpriv)
 		tline = (struct scene_obj_textline *)obj;
 
 		val = ofnode_read_prop(node, obj->name, &len);
+		if (!val)
+			return log_msg_ret("tline", -EINVAL);
 		if (len >= tline->max_chars)
 			return log_msg_ret("str", -ENOSPC);
 		strcpy(abuf_data(&tline->buf), val);
-- 
2.43.0