Commit 3992c93b authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Greg Kroah-Hartman

mlx5: Fix mlx5_ib_map_mr_sg mr length

commit 0a49f2c3 upstream.

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

Fixes: ff2ba993 ("IB/core: Add passing an offset into the SG to ib_map_mr_sg")
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Tested-by: default avatarIsrael Rukshin <israelr@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cca9c04a
...@@ -1782,7 +1782,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr, ...@@ -1782,7 +1782,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr,
klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset); klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset);
klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset); klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset);
klms[i].key = cpu_to_be32(lkey); 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; sg_offset = 0;
} }
......
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