diff options
Diffstat (limited to 'drivers/of/resolver.c')
| -rw-r--r-- | drivers/of/resolver.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c index 65d0b7adfcd4b..7edfac6f19144 100644 --- a/drivers/of/resolver.c +++ b/drivers/of/resolver.c @@ -122,6 +122,11 @@ static int update_usages_of_a_phandle_reference(struct device_node *overlay, goto err_fail; } + if (offset < 0 || offset + sizeof(__be32) > prop->length) { + err = -EINVAL; + goto err_fail; + } + *(__be32 *)(prop->value + offset) = cpu_to_be32(phandle); } |