On Fri, 2018-04-13 at 12:03 -0400, Josef Bacik wrote:
> This fixes a use after free bug, we need to do the del_gendisk after we
> cleanup the queue on the device.

Hello Josef,

Which use-after-free bug does this patch fix? Are you aware that most block
drivers call blk_cleanup_queue() before calling del_gendisk()? Why do you
think that the nbd driver should use the opposite order?



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