From: Nuno Sa <nuno.sa@xxxxxxxxxx> Simplify the probe error path by using dev_err_probe(). Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx> --- drivers/input/keyboard/adp5588-keys.c | 70 +++++++++++++++-------------------- 1 file changed, 29 insertions(+), 41 deletions(-) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 0152e4fa088c..60a7cb040af7 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -439,10 +439,9 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) kpad->gc.owner = THIS_MODULE; if (device_property_present(dev, "interrupt-controller")) { - if (!kpad->client->irq) { - dev_err(dev, "Unable to serve as interrupt controller without interrupt"); - return -EINVAL; - } + if (!kpad->client->irq) + return dev_err_probe(dev, -EINVAL, + "Unable to serve as interrupt controller without interrupt"); girq = &kpad->gc.irq; gpio_irq_chip_set_chip(girq, &adp5588_irq_chip); @@ -453,10 +452,8 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) mutex_init(&kpad->gpio_lock); error = devm_gpiochip_add_data(dev, &kpad->gc, kpad); - if (error) { - dev_err(dev, "gpiochip_add failed: %d\n", error); - return error; - } + if (error) + return dev_err_probe(dev, error, "gpiochip_add failed\n"); for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { error = adp5588_read(kpad->client, @@ -680,21 +677,19 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad) return 0; } - if (!client->irq) { - dev_err(&client->dev, "Keypad configured but no IRQ present\n"); - return -EINVAL; - } + if (!client->irq) + return dev_err_probe(&client->dev, -EINVAL, + "Keypad configured but no IRQ present\n"); ret = matrix_keypad_parse_properties(&client->dev, &kpad->rows, &kpad->cols); if (ret) return ret; - if (kpad->rows > ADP5588_ROWS_MAX || kpad->cols > ADP5588_COLS_MAX) { - dev_err(&client->dev, "Invalid nr of rows(%u) or cols(%u)\n", - kpad->rows, kpad->cols); - return -EINVAL; - } + if (kpad->rows > ADP5588_ROWS_MAX || kpad->cols > ADP5588_COLS_MAX) + return dev_err_probe(&client->dev, -EINVAL, + "Invalid nr of rows(%u) or cols(%u)\n", + kpad->rows, kpad->cols); ret = matrix_keypad_build_keymap(NULL, NULL, kpad->rows, kpad->cols, kpad->keycode, kpad->input); @@ -714,11 +709,10 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad) return 0; } - if (kpad->nkeys_unlock > ARRAY_SIZE(kpad->unlock_keys)) { - dev_err(&client->dev, "number of unlock keys(%d) > (%zu)\n", - kpad->nkeys_unlock, ARRAY_SIZE(kpad->unlock_keys)); - return -EINVAL; - } + if (kpad->nkeys_unlock > ARRAY_SIZE(kpad->unlock_keys)) + return dev_err_probe(&client->dev, -EINVAL, + "number of unlock keys(%d) > (%zu)\n", + kpad->nkeys_unlock, ARRAY_SIZE(kpad->unlock_keys)); ret = device_property_read_u32_array(&client->dev, "adi,unlock-keys", kpad->unlock_keys, @@ -735,11 +729,10 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad) * part of keypad matrix to be used and if a reliable way of * using GPIs is found, this condition can be removed/lightened. */ - if (kpad->unlock_keys[i] >= kpad->cols * kpad->rows) { - dev_err(&client->dev, "Invalid unlock key(%d)\n", - kpad->unlock_keys[i]); - return -EINVAL; - } + if (kpad->unlock_keys[i] >= kpad->cols * kpad->rows) + return dev_err_probe(&client->dev, -EINVAL, + "Invalid unlock key(%d)\n", + kpad->unlock_keys[i]); /* * Firmware properties keys start from 0 but on the device they @@ -761,10 +754,9 @@ static int adp5588_probe(struct i2c_client *client) u8 id; if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); - return -EIO; - } + I2C_FUNC_SMBUS_BYTE_DATA)) + return dev_err_probe(&client->dev, -EIO, + "SMBUS Byte Data not Supported\n"); kpad = devm_kzalloc(&client->dev, sizeof(*kpad), GFP_KERNEL); if (!kpad) @@ -814,11 +806,9 @@ static int adp5588_probe(struct i2c_client *client) input->id.version = revid; error = input_register_device(input); - if (error) { - dev_err(&client->dev, "unable to register input device: %d\n", - error); - return error; - } + if (error) + return dev_err_probe(&client->dev, error, + "unable to register input device\n"); error = adp5588_setup(kpad); if (error) @@ -833,11 +823,9 @@ static int adp5588_probe(struct i2c_client *client) adp5588_hard_irq, adp5588_thread_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, client->dev.driver->name, kpad); - if (error) { - dev_err(&client->dev, "failed to request irq %d: %d\n", - client->irq, error); - return error; - } + if (error) + return dev_err_probe(&client->dev, error, + "failed to request irq %d\n", client->irq); } dev_info(&client->dev, "Rev.%d controller\n", revid); -- 2.46.1