Re: [PATCH] tty: implement a rx led trigger

From: Robin Murphy
Date: Thu May 03 2018 - 08:33:20 EST


On 03/05/18 11:04, Uwe Kleine-KÃnig wrote:
[...]
@@ -157,6 +158,18 @@ struct device *tty_port_register_device_attr_serdev(struct tty_port *port,
tty_port_link_device(port, driver, index);
+ port->led_trigger_rx_name = kasprintf(GFP_KERNEL, "%s%d-rx",
+ driver->name, index);
+ if (!port->led_trigger_rx_name) {
+ pr_err("Failed to allocate trigger name for %s%d\n",
+ driver->name, index);
+ goto skip_trigger;

Hmm, isn't that a rather awkward way to spell "else"? ;)

Robin.

+ }
+
+ led_trigger_register_simple(port->led_trigger_rx_name,
+ &port->led_trigger_rx);
+
+skip_trigger:
dev = serdev_tty_port_register(port, device, driver, index);
if (PTR_ERR(dev) != -ENODEV) {
/* Skip creating cdev if we registered a serdev device */