diff options
| -rw-r--r-- | drivers/of/resolver.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c index f842dbd1585c..eb78010c21a3 100644 --- a/drivers/of/resolver.c +++ b/drivers/of/resolver.c @@ -293,13 +293,17 @@ int of_resolve_phandles(struct device_node *overlay) 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; @@ -311,7 +315,7 @@ int of_resolve_phandles(struct device_node *overlay) err = adjust_local_phandle_references(local_fixups, overlay, phandle_delta); if (err) - return err; + goto err_out; overlay_symbols = NULL; overlay_fixups = NULL; @@ -333,7 +337,7 @@ int of_resolve_phandles(struct device_node *overlay) 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) { @@ -345,12 +349,12 @@ int of_resolve_phandles(struct device_node *overlay) 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; @@ -361,6 +365,8 @@ int of_resolve_phandles(struct device_node *overlay) break; } +err_out: + pr_err("overlay phandle fixup failed: %d\n", err); out: of_node_put(tree_symbols); |