tty: sc16is7xx: remove retval from gpiochip_remove()
authorLinus Walleij <linus.walleij@linaro.org>
Tue, 16 Sep 2014 22:14:46 +0000 (15:14 -0700)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 23 Sep 2014 15:51:36 +0000 (17:51 +0200)
We are trying to smoke out the use of the return value from
gpiochip_remove() from the kernel, this has been missed.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/tty/serial/sc16is7xx.c

index 3284c31..6246820 100644 (file)
@@ -1157,7 +1157,7 @@ static int sc16is7xx_probe(struct device *dev,
 
 #ifdef CONFIG_GPIOLIB
        if (devtype->nr_gpio)
-               WARN_ON(gpiochip_remove(&s->gpio));
+               gpiochip_remove(&s->gpio);
 
 out_uart:
 #endif
@@ -1173,14 +1173,11 @@ out_clk:
 static int sc16is7xx_remove(struct device *dev)
 {
        struct sc16is7xx_port *s = dev_get_drvdata(dev);
-       int i, ret = 0;
+       int i;
 
 #ifdef CONFIG_GPIOLIB
-       if (s->devtype->nr_gpio) {
-               ret = gpiochip_remove(&s->gpio);
-               if (ret)
-                       return ret;
-       }
+       if (s->devtype->nr_gpio)
+               gpiochip_remove(&s->gpio);
 #endif
 
        for (i = 0; i < s->uart.nr; i++) {
@@ -1195,7 +1192,7 @@ static int sc16is7xx_remove(struct device *dev)
        if (!IS_ERR(s->clk))
                clk_disable_unprepare(s->clk);
 
-       return ret;
+       return 0;
 }
 
 static const struct of_device_id __maybe_unused sc16is7xx_dt_ids[] = {