On 2023/10/25 17:46, Zhong Jinghua wrote: > Checks added in patch: > commit e338924bd05d ("block: check minor range in device_add_disk()") > ignore the problem of first_minore < 0 and disk->minors < 0. What is the problem of first_minor < 0 or disk->minors < 0 ? Are negative values legal/illegal ?