This mirrors how nvme_map_pci is called and will allow simplifying some
checks in nvme_unmap_pci later on.

Signed-off-by: Christoph Hellwig <[email protected]>
---
 drivers/nvme/host/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index ce8bdc15ec3c..bc4ee869fe82 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -929,7 +929,8 @@ static void nvme_pci_complete_rq(struct request *req)
        struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
 
        nvme_cleanup_cmd(req);
-       nvme_unmap_data(iod->nvmeq->dev, req);
+       if (blk_rq_nr_phys_segments(req))
+               nvme_unmap_data(iod->nvmeq->dev, req);
        nvme_complete_rq(req);
 }
 
-- 
2.20.1

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