[PATCH v6 06/23] mfd: max77686: Make error checking consistent

Krzysztof Kozlowski
2014-07-04T10:54:05Z

On pi?, 2014-07-04 at 11:55 +0200, Javier Martinez Canillas wrote:
> Error checking across the driver is mostly consistent besides
> a few exceptions, so change these exceptions for consistency.
>
> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
> ---
> drivers/mfd/max77686.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof

> diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
> index ada4976..87fe52e 100644
> --- a/drivers/mfd/max77686.c
> +++ b/drivers/mfd/max77686.c
> @@ -134,7 +134,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
>
> max77686 = devm_kzalloc(&i2c->dev,
> sizeof(struct max77686_dev), GFP_KERNEL);
> - if (max77686 == NULL)
> + if (!max77686)
> return -ENOMEM;
>
> i2c_set_clientdata(i2c, max77686);
> @@ -153,8 +153,8 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
> return ret;
> }
>
> - if (regmap_read(max77686->regmap,
> - MAX77686_REG_DEVICE_ID, &data) < 0) {
> + ret = regmap_read(max77686->regmap, MAX77686_REG_DEVICE_ID, &data);
> + if (ret < 0) {
> dev_err(max77686->dev,
> "device not found on this channel (this is not an error)\n");
> return -ENODEV;
> @@ -180,7 +180,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
> IRQF_TRIGGER_FALLING | IRQF_ONESHOT |
> IRQF_SHARED, 0, &max77686_irq_chip,
> &max77686->irq_data);
> - if (ret != 0) {
> + if (ret) {
> dev_err(&i2c->dev, "failed to add PMIC irq chip: %d\n", ret);
> goto err_unregister_i2c;
> }
> @@ -188,7 +188,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
> IRQF_TRIGGER_FALLING | IRQF_ONESHOT |
> IRQF_SHARED, 0, &max77686_rtc_irq_chip,
> &max77686->rtc_irq_data);
> - if (ret != 0) {
> + if (ret) {
> dev_err(&i2c->dev, "failed to add RTC irq chip: %d\n", ret);
> goto err_del_irqc;
> }