mfd: max77686: Make error checking consistent
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>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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 @@
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 @@
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 @@
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 @@
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;
}