diff options
Diffstat (limited to 'drivers/of/resolver.c')
| -rw-r--r-- | drivers/of/resolver.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c index 99309cb7d372..cfaeef5f6cb1 100644 --- a/drivers/of/resolver.c +++ b/drivers/of/resolver.c @@ -84,10 +84,9 @@ static int update_usages_of_a_phandle_reference(struct device_node *overlay, int offset, len; int err = 0; - value = kmalloc(prop_fixup->length, GFP_KERNEL); + value = kmemdup(prop_fixup->value, prop_fixup->length, GFP_KERNEL); if (!value) return -ENOMEM; - memcpy(value, prop_fixup->value, prop_fixup->length); /* prop_fixup contains a list of tuples of path:property_name:offset */ end = value + prop_fixup->length; @@ -165,7 +164,6 @@ static int adjust_local_phandle_references(struct device_node *local_fixups, struct property *prop_fix, *prop; int err, i, count; unsigned int off; - phandle phandle; if (!local_fixups) return 0; @@ -195,9 +193,7 @@ static int adjust_local_phandle_references(struct device_node *local_fixups, if ((off + 4) > prop->length) return -EINVAL; - phandle = be32_to_cpu(*(__be32 *)(prop->value + off)); - phandle += phandle_delta; - *(__be32 *)(prop->value + off) = cpu_to_be32(phandle); + be32_add_cpu(prop->value + off, phandle_delta); } } @@ -275,11 +271,18 @@ int of_resolve_phandles(struct device_node *overlay) err = -EINVAL; goto out; } + +#if 0 + Temporarily disable check so that old style overlay unittests + do not fail when of_resolve_phandles() is moved into + of_overlay_apply(). + if (!of_node_check_flag(overlay, OF_DETACHED)) { pr_err("overlay not detached\n"); err = -EINVAL; goto out; } +#endif phandle_delta = live_tree_max_phandle() + 1; adjust_overlay_phandles(overlay, phandle_delta); |