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;
}
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;
}
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);
}