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| author | Sagi Grimberg <sagi@grimberg.me> | 2017-04-23 14:31:42 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-05-01 14:56:07 -0400 |
| commit | 0a49f2c31c3efbeb0de3e4b5598764887f629be2 (patch) | |
| tree | 5a284c33c581cb3a984ab56a6ba13aa96f038a0e /drivers/infiniband | |
| parent | d52418502e288b5c7e9e2e6cf1de5f1d3d79d2e1 (diff) | |
| download | lwn-0a49f2c31c3efbeb0de3e4b5598764887f629be2.tar.gz lwn-0a49f2c31c3efbeb0de3e4b5598764887f629be2.zip | |
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 <sagi@grimberg.me>
Tested-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |