Niklas Cassel 132be62387
nvme: prevent double free in nvme_alloc_ns() error handling ...
When jumping to the out_put_disk label, we will call put_disk(), which will
trigger a call to disk_release(), which calls blk_put_queue().
Later in the cleanup code, we do blk_cleanup_queue(), which will also call
blk_put_queue().
Putting the queue twice is incorrect, and will generate a KASAN splat.
Set the disk->queue pointer to NULL, before calling put_disk(), so that the
first call to blk_put_queue() will not free the queue.
The second call to blk_put_queue() uses another pointer to the same queue,
so this call will still free the queue.
Fixes: 85136c0102niklas.cassel@wdc.com >
Signed-off-by: Christoph Hellwig <hch@lst.de >
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132be62387