1 files changed, 3 insertions, 1 deletions

diff --git a/scripts/dtc/data.c b/scripts/dtc/data.c
index aa37a16c8891..4a204145cc7b 100644
--- a/scripts/dtc/data.c
+++ b/scripts/dtc/data.c
@@ -74,7 +74,8 @@ struct data data_copy_escape_string(const char *s, int len)
         struct data d;
         char *q;
 
-        d = data_grow_for(empty_data, len + 1);
+        d = data_add_marker(empty_data, TYPE_STRING, NULL);
+        d = data_grow_for(d, len + 1);
 
         q = d.val;
         while (i < len) {
@@ -94,6 +95,7 @@ struct data data_copy_file(FILE *f, size_t maxlen)
 {
         struct data d = empty_data;
 
+        d = data_add_marker(d, TYPE_NONE, NULL);
         while (!feof(f) && (d.len < maxlen)) {
                 size_t chunksize, ret;