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authorAxel Lin <axel.lin@gmail.com>2012-08-29 09:36:54 +0800
committerLinus Walleij <linus.walleij@linaro.org>2012-09-01 01:02:27 +0200
commit3c7051d7cc136a6b0293f8e6960f7c61afd6ae08 (patch)
tree7c5de63ed6794b650fc92485d3667e4e9bce795f /drivers/gpio/gpio-mc9s08dz60.c
parent6e20a0a429bd4dc07d6de16d9c247270e04e4aa0 (diff)
gpio: mc9s08dz60: Use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mc9s08dz60.c')
-rw-r--r--drivers/gpio/gpio-mc9s08dz60.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c
index 2738cc44d63..0ab700046a2 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[] = {