Commit 33b6debd authored by Liu Song's avatar Liu Song Committed by Jens Axboe
Browse files

nvme-pci: remove useless assignment in nvme_pci_setup_prps 



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: default avatarLiu Song <liusong@linux.alibaba.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 80e27684

drivers/nvme/host/pci.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

	}