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authorJean Delvare <khali@linux-fr.org>2009-12-16 21:38:26 +0100
committerJean Delvare <khali@linux-fr.org>2009-12-16 21:38:26 +0100
commit3ecf44b312758d10be20539b06b2df5d77d59cdb (patch)
tree93b27c2f2463064efbe07be9799b575868f8a28a
parenta0e92d70f35b5fd7da8ec2160cda78b98e2113bc (diff)
downloadop-kernel-dev-3ecf44b312758d10be20539b06b2df5d77d59cdb.zip
op-kernel-dev-3ecf44b312758d10be20539b06b2df5d77d59cdb.tar.gz
hwmon: (smsc47m1) Fail module loading on error
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>
-rw-r--r--drivers/hwmon/smsc47m1.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index bfef223..92cca51 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -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 @@ error_release:
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);
+ /* Sets global pdev as a side effect */
+ err = smsc47m1_device_add(address, &sio_data);
if (err)
goto exit;
- /* Sets global pdev as a side effect */
- err = smsc47m1_device_add(address, &sio_data);
+ err = platform_driver_probe(&smsc47m1_driver, smsc47m1_probe);
if (err)
- goto exit_driver;
+ 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>");
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