usb: typec: silence a static checker warning
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 14 Apr 2021 07:44:40 +0000 (10:44 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Apr 2021 13:15:40 +0000 (15:15 +0200)
Smatch complains about a potential missing error code:

    drivers/usb/typec/port-mapper.c:168 typec_link_port()
    warn: missing error code 'ret'

This is a false positive and returning zero is intentional.  Let's
re-arrange the code to silence the warning and make the intent more
clear.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YHadaACH8Mq/10F7@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/typec/port-mapper.c

index fae736eb0601eedb108a019e3ecf87d184242289..9b0991bdf391a9efd6064a862996730eb52eb0db 100644 (file)
@@ -157,15 +157,17 @@ int typec_link_port(struct device *port)
 {
        struct device *connector;
        struct port_node *node;
-       int ret = 0;
+       int ret;
 
        node = create_port_node(port);
        if (IS_ERR(node))
                return PTR_ERR(node);
 
        connector = find_connector(node);
-       if (!connector)
+       if (!connector) {
+               ret = 0;
                goto remove_node;
+       }
 
        ret = link_port(to_typec_port(connector), node);
        if (ret)