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sysfs: disambiguate between "error code" and "failure" in comments
The sentence "Returns 0 on success or error" might be misinterpreted as "the function will always returns 0", make it less ambiguous. Also, use the word "failure" as the contrary of "success". Signed-off-by: Antonio Ospite <ao2@ao2.it> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -135,7 +135,7 @@ static int internal_create_group(struct kobject *kobj, int update,
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* This function creates a group for the first time. It will explicitly
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* warn and error if any of the attribute files being created already exist.
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*
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* Returns 0 on success or error.
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* Returns 0 on success or error code on failure.
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*/
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int sysfs_create_group(struct kobject *kobj,
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const struct attribute_group *grp)
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@ -155,7 +155,7 @@ EXPORT_SYMBOL_GPL(sysfs_create_group);
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* It will explicitly warn and error if any of the attribute files being
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* created already exist.
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*
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* Returns 0 on success or error code from sysfs_create_group on error.
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* Returns 0 on success or error code from sysfs_create_group on failure.
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*/
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int sysfs_create_groups(struct kobject *kobj,
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const struct attribute_group **groups)
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@ -193,7 +193,7 @@ EXPORT_SYMBOL_GPL(sysfs_create_groups);
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* The primary use for this function is to call it after making a change
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* that affects group visibility.
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*
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* Returns 0 on success or error.
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* Returns 0 on success or error code on failure.
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*/
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int sysfs_update_group(struct kobject *kobj,
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const struct attribute_group *grp)
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