diff options
Diffstat (limited to 'drivers/base/swnode.c')
| -rw-r--r-- | drivers/base/swnode.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 37179a8b1ceb..74db8c971db7 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -938,6 +938,9 @@ int software_node_register(const struct software_node *node) if (software_node_to_swnode(node)) return -EEXIST; + if (node->parent && !parent) + return -EINVAL; + return PTR_ERR_OR_ZERO(swnode_register(node, parent, 0)); } EXPORT_SYMBOL_GPL(software_node_register); |