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authorGuenter Roeck <linux@roeck-us.net>2017-01-24 06:32:57 -0800
committerGuenter Roeck <linux@roeck-us.net>2017-01-25 06:14:26 -0800
commit8353863a52a82c7701d9d10433bea703fd24ec2d (patch)
tree48e40171e67621489d4bc6ba3db6fba3e3d70a00 /drivers/hwmon
parent68f0c8c923951eef2cde1d9ab6bc598aceecfc27 (diff)
downloadlinux-8353863a52a82c7701d9d10433bea703fd24ec2d.tar.bz2
hwmon: Make name attribute mandatory for new APIs
It does not make sense to use one of the the new APIs when not even providing a name attribute. Make it mandatory. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/hwmon.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 0c5660ccdbf4..affff8195fff 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -651,6 +651,9 @@ hwmon_device_register_with_groups(struct device *dev, const char *name,
void *drvdata,
const struct attribute_group **groups)
{
+ if (!name)
+ return ERR_PTR(-EINVAL);
+
return __hwmon_device_register(dev, name, drvdata, NULL, groups);
}
EXPORT_SYMBOL_GPL(hwmon_device_register_with_groups);
@@ -674,6 +677,9 @@ hwmon_device_register_with_info(struct device *dev, const char *name,
const struct hwmon_chip_info *chip,
const struct attribute_group **extra_groups)
{
+ if (!name)
+ return ERR_PTR(-EINVAL);
+
if (chip && (!chip->ops || !chip->ops->is_visible || !chip->info))
return ERR_PTR(-EINVAL);
@@ -695,7 +701,7 @@ struct device *hwmon_device_register(struct device *dev)
dev_warn(dev,
"hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().\n");
- return hwmon_device_register_with_groups(dev, NULL, NULL, NULL);
+ return __hwmon_device_register(dev, NULL, NULL, NULL, NULL);
}
EXPORT_SYMBOL_GPL(hwmon_device_register);