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author | Sagi Grimberg <sagi@grimberg.me> | 2017-04-23 11:31:42 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-05-25 13:44:32 (GMT) |
commit | cb5cf8aaba2ede15fd13b52029bf4e5915e6096f (patch) | |
tree | 8d8a2d35721e19eba47f4dff4e1bcd971e5b5e60 | |
parent | ece453e8b0ca45e1b36317042c8aa7f3ef59e440 (diff) | |
download | linux-cb5cf8aaba2ede15fd13b52029bf4e5915e6096f.tar.xz |
mlx5: Fix mlx5_ib_map_mr_sg mr length
commit 0a49f2c31c3efbeb0de3e4b5598764887f629be2 upstream.
In case we got an initial sg_offset, we need to
account for it in the mr length.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 be2d02b..1fb31a4 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -1828,7 +1828,7 @@ 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; } |