/* helper routine to convert a lu_device into a qmt_device */
static inline struct qmt_device *lu2qmt_dev(struct lu_device *ld)
{
- return container_of0(lu2dt_dev(ld), struct qmt_device, qmt_dt_dev);
+ return container_of_safe(lu2dt_dev(ld), struct qmt_device, qmt_dt_dev);
}
/* helper routine to convert a qmt_device into lu_device */