From: Sagi Grimberg Date: Sun, 23 Apr 2017 11:31:42 +0000 (+0300) Subject: mlx5: Fix mlx5_ib_map_mr_sg mr length X-Git-Tag: MMI-PSA29.97-13-9~5649^3~24 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0a49f2c31c3efbeb0de3e4b5598764887f629be2;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git mlx5: Fix mlx5_ib_map_mr_sg mr length In case we got an initial sg_offset, we need to account for it in the mr length. Cc: stable@vger.kernel.org Fixes: ff2ba9936591 ("IB/core: Add passing an offset into the SG to ib_map_mr_sg") Signed-off-by: Sagi Grimberg Tested-by: Israel Rukshin Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 93c0e82aa491..366433f71b58 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1784,7 +1784,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr, klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset); klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset); klms[i].key = cpu_to_be32(lkey); - mr->ibmr.length += sg_dma_len(sg); + mr->ibmr.length += sg_dma_len(sg) - sg_offset; sg_offset = 0; }