nvme-pci: fix error unwind in nvme_map_data
Properly unwind step by step using refactored helpers from nvme_unmap_data to avoid a potential double dma_unmap on a mapping failure. Fixes: 7fe07d14 ("nvme-pci: merge nvme_free_iod into nvme_unmap_data") Reported-by:Marc Orr <marcorr@google.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Reviewed-by:
Keith Busch <kbusch@kernel.org> Reviewed-by:
Marc Orr <marcorr@google.com>
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9275c206