It does not make sense to use one of the the new APIs when not
even providing a name attribute. Make it mandatory.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v3: hwmon_device_register() needs to call __hwmon_device_register() directly.
v2: One should use ERR_PTR where appropriate
drivers/hwmon/hwmon.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
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);
--
2.7.4
--
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