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nvme-pci: remove useless assignment in nvme_pci_setup_prps

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If prp_list is NULL, nvme_unmap_sg will be performed, and the assignment
to first_dma is meaningless, so remove it.

Signed-off-by: Liu Song <liusong@linux.alibaba.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Liu Song 2022-07-16 19:49:41 +08:00 committed by Jens Axboe
parent 80e2768496
commit 33b6debd61
1 changed files with 0 additions and 1 deletions
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drivers/nvme/host/pci.c
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@ -670,7 +670,6 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev *dev,
prp_list = dma_pool_alloc(pool, GFP_ATOMIC, &prp_dma);
if (!prp_list) {
iod->first_dma = dma_addr;
iod->npages = -1;
return BLK_STS_RESOURCE;
}