On 8/9/18 8:53 AM, Bart Van Assche wrote: > Hello Jens, > > Several block drivers call alloc_disk() followed by put_disk() if something > fails before device_add_disk() is called without calling blk_cleanup_queue(). > Make sure that also for this scenario a request queue is dissociated from the > cgroup controller. This patch avoids that loading the parport_pc, paride and > pf drivers trigger a kernel crash. Since this patch series fixes a regression, > please consider these patches for kernel v4.19. Thanks, applied for 4.19. -- Jens Axboe