hwmon: (k8temp) Convert to use devm_ functions

Convert to use devm_ functions to reduce code size and simplify the code.

Cc: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 35aac82..49a69c5 100644 (file)
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -183,21 +183,17 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
        u8 model, stepping;
        struct k8temp_data *data;
 
-       data = kzalloc(sizeof(struct k8temp_data), GFP_KERNEL);
-       if (!data) {
-               err = -ENOMEM;
-               goto exit;
-       }
+       data = devm_kzalloc(&pdev->dev, sizeof(struct k8temp_data), GFP_KERNEL);
+       if (!data)
+               return -ENOMEM;
 
        model = boot_cpu_data.x86_model;
        stepping = boot_cpu_data.x86_mask;
 
        /* feature available since SH-C0, exclude older revisions */
-       if (((model == 4) && (stepping == 0)) ||
-           ((model == 5) && (stepping <= 1))) {
-               err = -ENODEV;
-               goto exit_free;
-       }
+       if ((model == 4 && stepping == 0) ||
+           (model == 5 && stepping <= 1))
+               return -ENODEV;
 
        /*
         * AMD NPT family 0fh, i.e. RevF and RevG:
@@ -224,8 +220,7 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
 
        if (scfg & (SEL_PLACE | SEL_CORE)) {
                dev_err(&pdev->dev, "Configuration bit(s) stuck at 1!\n");
-               err = -ENODEV;
-               goto exit_free;
+               return -ENODEV;
        }
 
        scfg |= (SEL_PLACE | SEL_CORE);
@@ -307,10 +302,6 @@ exit_remove:
        device_remove_file(&pdev->dev,
                           &sensor_dev_attr_temp4_input.dev_attr);
        device_remove_file(&pdev->dev, &dev_attr_name);
-exit_free:
-       pci_set_drvdata(pdev, NULL);
-       kfree(data);
-exit:
        return err;
 }
 
@@ -328,8 +319,6 @@ static void __devexit k8temp_remove(struct pci_dev *pdev)
        device_remove_file(&pdev->dev,
                           &sensor_dev_attr_temp4_input.dev_attr);
        device_remove_file(&pdev->dev, &dev_attr_name);
-       pci_set_drvdata(pdev, NULL);
-       kfree(data);
 }
 
 static struct pci_driver k8temp_driver = {