[PATCH] hwmon: pwm-fan: Use dev_err_probe() to simplify error handling

From: Anson Huang
Date: Mon Aug 17 2020 - 03:39:50 EST


dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
drivers/hwmon/pwm-fan.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 17bb642..bdba214 100644
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -293,14 +293,8 @@ static int pwm_fan_probe(struct platform_device *pdev)
mutex_init(&ctx->lock);

ctx->pwm = devm_of_pwm_get(dev, dev->of_node, NULL);
- if (IS_ERR(ctx->pwm)) {
- ret = PTR_ERR(ctx->pwm);
-
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Could not get PWM: %d\n", ret);
-
- return ret;
- }
+ if (IS_ERR(ctx->pwm))
+ return dev_err_probe(dev, PTR_ERR(ctx->pwm), "Could not get PWM\n");

platform_set_drvdata(pdev, ctx);

--
2.7.4