[PATCH 2/5] hwmon: (nzxt-kraken2) Use devres function

[Jackie Liu <liu.yun@linux.dev>]

From: Jackie Liu <liuyun01@kylinos.cn>

Use devm_hwmon_device_register_with_info() and remove hwmon_dev
from kraken2_priv_data struct as it is not needed anymore.

Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
---
 drivers/hwmon/nzxt-kraken2.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/hwmon/nzxt-kraken2.c b/drivers/hwmon/nzxt-kraken2.c
index 89f7ea4f42d4..cd644ca12fb4 100644
--- a/drivers/hwmon/nzxt-kraken2.c
+++ b/drivers/hwmon/nzxt-kraken2.c
@@ -29,7 +29,6 @@ static const char *const kraken2_fan_label[] = {
 
 struct kraken2_priv_data {
 	struct hid_device *hid_dev;
-	struct device *hwmon_dev;
 	s32 temp_input[1];
 	u16 fan_input[2];
 	unsigned long updated; /* jiffies */
@@ -133,6 +132,7 @@ static int kraken2_probe(struct hid_device *hdev,
 			 const struct hid_device_id *id)
 {
 	struct kraken2_priv_data *priv;
+	struct device *hwmon_dev;
 	int ret;
 
 	priv = devm_kzalloc(&hdev->dev, sizeof(*priv), GFP_KERNEL);
@@ -170,11 +170,12 @@ static int kraken2_probe(struct hid_device *hdev,
 		goto fail_and_close;
 	}
 
-	priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, "kraken2",
-							  priv, &kraken2_chip_info,
-							  NULL);
-	if (IS_ERR(priv->hwmon_dev)) {
-		ret = PTR_ERR(priv->hwmon_dev);
+	hwmon_dev =
+		devm_hwmon_device_register_with_info(&hdev->dev, "kraken2",
+						     priv, &kraken2_chip_info,
+						     NULL);
+	ret = PTR_ERR_OR_ZERO(hwmon_dev);
+	if (ret) {
 		hid_err(hdev, "hwmon registration failed with %d\n", ret);
 		goto fail_and_close;
 	}
@@ -190,10 +191,6 @@ static int kraken2_probe(struct hid_device *hdev,
 
 static void kraken2_remove(struct hid_device *hdev)
 {
-	struct kraken2_priv_data *priv = hid_get_drvdata(hdev);
-
-	hwmon_device_unregister(priv->hwmon_dev);
-
 	hid_hw_close(hdev);
 	hid_hw_stop(hdev);
 }
-- 
2.25.1