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Commit 0a49f2c3 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Doug Ledford
Browse files

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: 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>
parent d5241850

drivers/infiniband/hw/mlx5/mr.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}