struct kobject *kobj = parent->priv;
const struct sysfs_ops *sysfs_ops = kobj->ktype->sysfs_ops;
struct lock_class_key *key = NULL;
- const struct kernfs_ops *ops;
+ const struct kernfs_ops *ops = NULL;
struct kernfs_node *kn;
/* every kobject with an attribute needs a ktype assigned */
kobject_name(kobj)))
return -EINVAL;
- if (sysfs_ops->show && sysfs_ops->store) {
- if (mode & SYSFS_PREALLOC)
+ if (mode & SYSFS_PREALLOC) {
+ if (sysfs_ops->show && sysfs_ops->store)
ops = &sysfs_prealloc_kfops_rw;
- else
- ops = &sysfs_file_kfops_rw;
- } else if (sysfs_ops->show) {
- if (mode & SYSFS_PREALLOC)
+ else if (sysfs_ops->show)
ops = &sysfs_prealloc_kfops_ro;
- else
- ops = &sysfs_file_kfops_ro;
- } else if (sysfs_ops->store) {
- if (mode & SYSFS_PREALLOC)
+ else if (sysfs_ops->store)
ops = &sysfs_prealloc_kfops_wo;
- else
+ } else {
+ if (sysfs_ops->show && sysfs_ops->store)
+ ops = &sysfs_file_kfops_rw;
+ else if (sysfs_ops->show)
+ ops = &sysfs_file_kfops_ro;
+ else if (sysfs_ops->store)
ops = &sysfs_file_kfops_wo;
- } else
+ }
+
+ if (!ops)
ops = &sysfs_file_kfops_empty;
#ifdef CONFIG_DEBUG_LOCK_ALLOC