On Wed, Apr 11, 2018 at 07:58:52PM -0600, Bart Van Assche wrote: > 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 triggers the > following kernel crash:
Can we move the cleanup to put_disk in general and not just for this case? Having alloc/free routines pair up generally avoids a lot of confusion.
