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nvme: simplify SGL length calculation

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Drop the "data_transfered" variable and just update length, since length
was not used otherwise after this point in the loop.

Change-Id: Icd2991e4e85de7e8c951ba14c441434e871ea4ef
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-03-29 13:08:09 -07:00
parent 3cec6c846b
commit 2c4476560b
1 changed files with 4 additions and 4 deletions
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8
lib/nvme/nvme_qpair.c
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@ -658,7 +658,7 @@ _nvme_qpair_build_hw_sgl_request(struct spdk_nvme_qpair *qpair, struct nvme_requ
{
int rc;
uint64_t phys_addr;
uint32_t data_transfered, remaining_transfer_len, length;
uint32_t remaining_transfer_len, length;
struct spdk_nvme_sgl_descriptor *sgl;
uint32_t nseg = 0;
@ -684,11 +684,11 @@ _nvme_qpair_build_hw_sgl_request(struct spdk_nvme_qpair *qpair, struct nvme_requ
return -1;
}
data_transfered = nvme_min(remaining_transfer_len, length);
remaining_transfer_len -= data_transfered;
length = nvme_min(remaining_transfer_len, length);
remaining_transfer_len -= length;
sgl->type = SPDK_NVME_SGL_TYPE_DATA_BLOCK;
sgl->length = data_transfered;
sgl->length = length;
sgl->address = phys_addr;
sgl->type_specific = 0;