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hwmon: (smsc47m1) Fail module loading on error

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If an error occurs during probing, there's no point in keeping the
module in memory. Better fail the module loading early to make the
problem more visible.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Sean Fidler <fidlersean@gmail.com>
This commit is contained in:
Jean Delvare 2009-12-16 21:38:26 +01:00
parent a0e92d70f3
commit 3ecf44b312
1 changed files with 12 additions and 14 deletions
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26
drivers/hwmon/smsc47m1.c
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@ -139,8 +139,7 @@ struct smsc47m1_sio_data {
};
static int smsc47m1_probe(struct platform_device *pdev);
static int __devexit smsc47m1_remove(struct platform_device *pdev);
static int __exit smsc47m1_remove(struct platform_device *pdev);
static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
int init);
@ -160,8 +159,7 @@ static struct platform_driver smsc47m1_driver = {
.owner = THIS_MODULE,
.name = DRVNAME,
},
.probe = smsc47m1_probe,
.remove = __devexit_p(smsc47m1_remove),
.remove = __exit_p(smsc47m1_remove),
};
static ssize_t get_fan(struct device *dev, struct device_attribute
@ -562,7 +560,7 @@ static int smsc47m1_handle_resources(unsigned short address, enum chips type,
return 0;
}
static int __devinit smsc47m1_probe(struct platform_device *pdev)
static int __init smsc47m1_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct smsc47m1_sio_data *sio_data = dev->platform_data;
@ -720,7 +718,7 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev)
return err;
}
static int __devexit smsc47m1_remove(struct platform_device *pdev)
static int __exit smsc47m1_remove(struct platform_device *pdev)
{
struct smsc47m1_data *data = platform_get_drvdata(pdev);
struct resource *res;
@ -845,27 +843,27 @@ static int __init sm_smsc47m1_init(void)
if (smsc47m1_find(&address, &sio_data))
return -ENODEV;
err = platform_driver_register(&smsc47m1_driver);
if (err)
goto exit;
/* Sets global pdev as a side effect */
err = smsc47m1_device_add(address, &sio_data);
if (err)
goto exit_driver;
goto exit;
err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe);
if (err)
goto exit_device;
return 0;
exit_driver:
platform_driver_unregister(&smsc47m1_driver);
exit_device:
platform_device_unregister(pdev);
exit:
return err;
}
static void __exit sm_smsc47m1_exit(void)
{
platform_device_unregister(pdev);
platform_driver_unregister(&smsc47m1_driver);
platform_device_unregister(pdev);
}
MODULE_AUTHOR("Mark D. Studebaker <mdsxyz123@yahoo.com>");