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mlx5: Fix mlx5_ib_map_mr_sg mr length

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In case we got an initial sg_offset, we need to
account for it in the mr length.

Cc: [email protected]
Fixes: ff2ba99365 ("IB/core: Add passing an offset into the SG to
ib_map_mr_sg")
Signed-off-by: Sagi Grimberg <[email protected]>
Tested-by: Israel Rukshin <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Sagi Grimberg 2017-04-23 14:31:42 +03:00 • committed by Doug Ledford
commit 0a49f2c31c
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/mr.c
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@ -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;
}