Messages in this thread | | | Subject | Re: [PATCH] serial: mctrl_gpio: Fix passing zero to 'ERR_PTR' warning | From | Jiri Slaby <> | Date | Mon, 2 Nov 2020 09:20:34 +0100 |
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On 31. 10. 20, 4:05, YueHaibing wrote: > drivers/tty/serial/serial_mctrl_gpio.c:214 > mctrl_gpio_init() warn: passing zero to 'ERR_PTR' > > gpiod_to_irq() never return 0, so remove the useless test > and make code more clear. > > Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
> --- > drivers/tty/serial/serial_mctrl_gpio.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c > index fb4781292d40..c41d8911ce95 100644 > --- a/drivers/tty/serial/serial_mctrl_gpio.c > +++ b/drivers/tty/serial/serial_mctrl_gpio.c > @@ -207,7 +207,7 @@ struct mctrl_gpios *mctrl_gpio_init(struct uart_port *port, unsigned int idx) > continue; > > ret = gpiod_to_irq(gpios->gpio[i]); > - if (ret <= 0) { > + if (ret < 0) { > dev_err(port->dev, > "failed to find corresponding irq for %s (idx=%d, err=%d)\n", > mctrl_gpios_desc[i].name, idx, ret); >
-- js suse labs
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