nvme/pci: Don't free queues on error
The nvme_remove function tears down all allocated resources in the correct order, so no need to free queues on error during initialization. This fixes possible use-after-free errors when queues are still associated with a blk-mq hctx. Reported-by: Scott Bauer <scott.bauer@intel.com> Tested-by: Scott Bauer <scott.bauer@intel.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimbeg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
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