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-rw-r--r--ufdt_overlay.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/ufdt_overlay.c b/ufdt_overlay.c
index 019545f..c432cd4 100644
--- a/ufdt_overlay.c
+++ b/ufdt_overlay.c
@@ -363,18 +363,18 @@ static enum overlay_result ufdt_apply_fragment(struct ufdt *tree,
struct ufdt_node *target_node = NULL;
struct ufdt_node *overlay_node = NULL;
+ overlay_node = ufdt_node_get_node_by_path(frag_node, "__overlay__");
+ if (overlay_node == NULL) {
+ return OVERLAY_RESULT_MISSING_OVERLAY;
+ }
+
enum overlay_result result =
ufdt_overlay_get_target(tree, frag_node, &target_node);
if (target_node == NULL) {
+ dto_error("Unable to resolve target for %s\n", ufdt_node_name(frag_node));
return result;
}
- overlay_node = ufdt_node_get_node_by_path(frag_node, "__overlay__");
- if (overlay_node == NULL) {
- dto_error("missing __overlay__ sub-node\n");
- return OVERLAY_RESULT_MISSING_OVERLAY;
- }
-
int err = ufdt_overlay_node(target_node, overlay_node, pool);
if (err < 0) {
@@ -392,15 +392,17 @@ static enum overlay_result ufdt_apply_fragment(struct ufdt *tree,
static int ufdt_overlay_apply_fragments(struct ufdt *main_tree,
struct ufdt *overlay_tree,
struct ufdt_node_pool *pool) {
- enum overlay_result err;
+ enum overlay_result ret;
struct ufdt_node **it;
/*
* This loop may iterate to subnodes that's not a fragment node.
- * In such case, ufdt_apply_fragment would fail with return value = -1.
+ * We must fail for any other error.
*/
for_each_node(it, overlay_tree->root) {
- err = ufdt_apply_fragment(main_tree, *it, pool);
- if (err == OVERLAY_RESULT_MERGE_FAIL) {
+ ret = ufdt_apply_fragment(main_tree, *it, pool);
+ if ((ret != OVERLAY_RESULT_OK) && (ret != OVERLAY_RESULT_MISSING_OVERLAY)) {
+ dto_error("failed to apply overlay fragment %s ret: %d\n",
+ ufdt_node_name(*it), ret);
return -1;
}
}