gpio: pcf857x: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index a965620c1c2a..e8faf53f3875 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -268,7 +268,7 @@ static int pcf857x_probe(struct i2c_client *client,
         }
 
         /* Allocate, initialize, and register this gpio_chip. */
-        gpio = kzalloc(sizeof *gpio, GFP_KERNEL);
+        gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);
         if (!gpio)
                 return -ENOMEM;
 
@@ -391,7 +391,6 @@ fail:
         if (pdata && client->irq)
                 pcf857x_irq_domain_cleanup(gpio);
 
-        kfree(gpio);
         return status;
 }
 
@@ -416,9 +415,7 @@ static int pcf857x_remove(struct i2c_client *client)
                 pcf857x_irq_domain_cleanup(gpio);
 
         status = gpiochip_remove(&gpio->chip);
-        if (status == 0)
-                kfree(gpio);
-        else
+        if (status)
                 dev_err(&client->dev, "%s --> %d\n", "remove", status);
         return status;
 }