pretty: Handle no device type

This can happen with bus types we haven't added support for yet, which
is currently USB and Host1x.

1 files changed, 3 insertions, 0 deletions

diff --git a/pretty.c b/pretty.c
index 6cb42af..5a66fde 100644
--- a/pretty.c
+++ b/pretty.c
@@ -91,6 +91,9 @@ static const char *bustype_str(int type)
 
 static void print_device(struct json_object *obj)
 {
+	if (!obj)
+		return;
+
 	int bus_type = get_object_object_uint64(obj, "bus_type");
 	struct json_object *data_obj = json_object_object_get(obj, "device_data");