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authorBaolin Wang <baolin.wang@linux.alibaba.com>2020-07-03 10:49:22 +0800
committerChristoph Hellwig <hch@lst.de>2020-07-08 16:16:21 +0200
commitc25c853ef60d2c0d37420b9e4b81bdd49e90b46e (patch)
tree5273bb10affb12a4fa5b84b46951465ef8258200
parent972b13e29d40753a4ab2cd9735bd6ce26e91d6a6 (diff)
nvme-pci: remove redundant segment validation
We've validated the segment counts before calling nvme_map_data(), so there is no need to validate again in nvme_pci_use_sgls(, which is only called from nvme_map_data(). Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--drivers/nvme/host/pci.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 83585ed5ec1f..9216cbd2fd43 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -501,9 +501,6 @@ static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req)
int nseg = blk_rq_nr_phys_segments(req);
unsigned int avg_seg_size;
- if (nseg == 0)
- return false;
-
avg_seg_size = DIV_ROUND_UP(blk_rq_payload_bytes(req), nseg);
if (!(dev->ctrl.sgls & ((1 << 0) | (1 << 1))))