phandle phandle, phandle_delta;
int err;
+ tree_symbols = NULL;
+
if (!overlay) {
pr_err("null overlay\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto err_out;
}
if (!of_node_check_flag(overlay, OF_DETACHED)) {
pr_err("overlay not detached\n");
- return -EINVAL;
+ err = -EINVAL;
+ goto err_out;
}
phandle_delta = live_tree_max_phandle() + 1;
err = adjust_local_phandle_references(local_fixups, overlay, phandle_delta);
if (err)
- return err;
+ goto err_out;
overlay_symbols = NULL;
overlay_fixups = NULL;
if (!tree_symbols) {
pr_err("no symbols in root of device tree.\n");
err = -EINVAL;
- goto out;
+ goto err_out;
}
for_each_property_of_node(overlay_fixups, prop) {
err = of_property_read_string(tree_symbols,
prop->name, &refpath);
if (err)
- goto out;
+ goto err_out;
refnode = of_find_node_by_path(refpath);
if (!refnode) {
err = -ENOENT;
- goto out;
+ goto err_out;
}
phandle = refnode->phandle;
break;
}
+err_out:
+ pr_err("overlay phandle fixup failed: %d\n", err);
out:
of_node_put(tree_symbols);