Exemplo n.º 1
0
static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
			const struct attribute_group *grp, int update)
{
	struct attribute *const* attr;
	int error = 0, i;

	for (i = 0, attr = grp->attrs; *attr && !error; i++, attr++) {
		umode_t mode = 0;

		if (update)
			sysfs_hash_and_remove(dir_sd, NULL, (*attr)->name);
		if (grp->is_visible) {
			mode = grp->is_visible(kobj, *attr, i);
			if (!mode)
				continue;
		}
		error = sysfs_add_file_mode(dir_sd, *attr, SYSFS_KOBJ_ATTR,
					    (*attr)->mode | mode);
		if (unlikely(error))
			break;
	}
	if (error)
		remove_files(dir_sd, kobj, grp);
	return error;
}
Exemplo n.º 2
0
static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
			const struct attribute_group *grp, int update)
{
	struct attribute *const* attr;
	int error = 0, i;

	for (i = 0, attr = grp->attrs; *attr && !error; i++, attr++) {
		mode_t mode = 0;

		/* in update mode, we're changing the permissions or
		 * visibility.  Do this by first removing then
		 * re-adding (if required) the file */
		if (update)
			sysfs_hash_and_remove(dir_sd, (*attr)->name);
		if (grp->is_visible) {
			mode = grp->is_visible(kobj, *attr, i);
			if (!mode)
				continue;
		}
		error = sysfs_add_file_mode(dir_sd, *attr, SYSFS_KOBJ_ATTR,
					    (*attr)->mode | mode);
		if (unlikely(error))
			break;
	}
	if (error)
		remove_files(dir_sd, kobj, grp);
	return error;
}
Exemplo n.º 3
0
int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr,
		   int type)
{
	return sysfs_add_file_mode(dir_sd, attr, type, attr->mode);
}