gpio: mc9s08dz60: Use devm_kzalloc API

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 18 deletions

diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c
index 2738cc44d636..0ab700046a23 100644
--- a/drivers/gpio/gpio-mc9s08dz60.c
+++ b/drivers/gpio/gpio-mc9s08dz60.c
@@ -91,10 +91,9 @@ static int mc9s08dz60_direction_output(struct gpio_chip *gc,
 static int mc9s08dz60_probe(struct i2c_client *client,
                             const struct i2c_device_id *id)
 {
-        int ret = 0;
         struct mc9s08dz60 *mc9s;
 
-        mc9s = kzalloc(sizeof(*mc9s), GFP_KERNEL);
+        mc9s = devm_kzalloc(&client->dev, sizeof(*mc9s), GFP_KERNEL);
         if (!mc9s)
                 return -ENOMEM;
 
@@ -110,30 +109,16 @@ static int mc9s08dz60_probe(struct i2c_client *client,
         mc9s->client = client;
         i2c_set_clientdata(client, mc9s);
 
-        ret = gpiochip_add(&mc9s->chip);
-        if (ret)
-                goto error;
-
-        return 0;
-
- error:
-        kfree(mc9s);
-        return ret;
+        return gpiochip_add(&mc9s->chip);
 }
 
 static int mc9s08dz60_remove(struct i2c_client *client)
 {
         struct mc9s08dz60 *mc9s;
-        int ret;
 
         mc9s = i2c_get_clientdata(client);
 
-        ret = gpiochip_remove(&mc9s->chip);
-        if (!ret)
-                kfree(mc9s);
-
-        return ret;
-
+        return gpiochip_remove(&mc9s->chip);
 }
 
 static const struct i2c_device_id mc9s08dz60_id[] = {