diff options
Diffstat (limited to 'drivers/base/class.c')
| -rw-r--r-- | drivers/base/class.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c index 4b598be0e4b..41a8e0934e3 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -504,22 +504,21 @@ void class_device_initialize(struct class_device *class_dev) INIT_LIST_HEAD(&class_dev->node); } -static char *make_class_name(struct class_device *class_dev) +char *make_class_name(const char *name, struct kobject *kobj) { - char *name; + char *class_name; int size; - size = strlen(class_dev->class->name) + - strlen(kobject_name(&class_dev->kobj)) + 2; + size = strlen(name) + strlen(kobject_name(kobj)) + 2; - name = kmalloc(size, GFP_KERNEL); - if (!name) + class_name = kmalloc(size, GFP_KERNEL); + if (!class_name) return ERR_PTR(-ENOMEM); - strcpy(name, class_dev->class->name); - strcat(name, ":"); - strcat(name, kobject_name(&class_dev->kobj)); - return name; + strcpy(class_name, name); + strcat(class_name, ":"); + strcat(class_name, kobject_name(kobj)); + return class_name; } int class_device_add(struct class_device *class_dev) @@ -594,7 +593,8 @@ int class_device_add(struct class_device *class_dev) goto out5; if (class_dev->dev) { - class_name = make_class_name(class_dev); + class_name = make_class_name(class_dev->class->name, + &class_dev->kobj); error = sysfs_create_link(&class_dev->kobj, &class_dev->dev->kobj, "device"); if (error) @@ -731,7 +731,8 @@ void class_device_del(struct class_device *class_dev) } if (class_dev->dev) { - class_name = make_class_name(class_dev); + class_name = make_class_name(class_dev->class->name, + &class_dev->kobj); sysfs_remove_link(&class_dev->kobj, "device"); sysfs_remove_link(&class_dev->dev->kobj, class_name); } @@ -796,14 +797,16 @@ int class_device_rename(struct class_device *class_dev, char *new_name) new_name); if (class_dev->dev) - old_class_name = make_class_name(class_dev); + old_class_name = make_class_name(class_dev->class->name, + &class_dev->kobj); strlcpy(class_dev->class_id, new_name, KOBJ_NAME_LEN); error = kobject_rename(&class_dev->kobj, new_name); if (class_dev->dev) { - new_class_name = make_class_name(class_dev); + new_class_name = make_class_name(class_dev->class->name, + &class_dev->kobj); sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj, new_class_name); sysfs_remove_link(&class_dev->dev->kobj, old_class_name); |