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Subject[PATCH 2/2] gpio: mc9s08dz60: Use devm_kzalloc API
From
Date
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/gpio/gpio-mc9s08dz60.c | 21 +++------------------
1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c
index 2738cc4..0ab7000 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[] = {
--
1.7.9.5




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