From: Zijun Hu <quic_zijuhu@xxxxxxxxxxx> ERR_CAST() is normally used to cast an error-valued pointer type to another different type, But the first ERR_CAST() is to cast away the const in fwnode_create_software_node(). Add comment for this unusual ERR_CAST() usage. Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx> --- drivers/base/swnode.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index b1726a3515f6fbe13c2186af1f74479263798e42..67040fff99b02c43999b175c2ba7e6d04322a446 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -933,6 +933,7 @@ fwnode_create_software_node(const struct property_entry *properties, struct software_node *node; struct swnode *p; + /* Only cast away the const by ERR_CAST() */ if (IS_ERR(parent)) return ERR_CAST(parent); -- 2.34.1
