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    Subject[PATCH AUTOSEL 4.19 669/671] IB/iser: Fix dma_nents type definition
    Date
    From: Max Gurtovoy <maxg@mellanox.com>

    [ Upstream commit c1545f1a200f4adc4ef8dd534bf33e2f1aa22c2f ]

    The retured value from ib_dma_map_sg saved in dma_nents variable. To avoid
    future mismatch between types, define dma_nents as an integer instead of
    unsigned.

    Fixes: 57b26497fabe ("IB/iser: Pass the correct number of entries for dma mapped SGL")
    Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
    Reviewed-by: Israel Rukshin <israelr@mellanox.com>
    Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
    Acked-by: Sagi Grimberg <sagi@grimberg.me>
    Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
    Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/infiniband/ulp/iser/iscsi_iser.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
    index 120b40829560..a7aeaa0c6fbc 100644
    --- a/drivers/infiniband/ulp/iser/iscsi_iser.h
    +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
    @@ -197,7 +197,7 @@ struct iser_data_buf {
    struct scatterlist *sg;
    int size;
    unsigned long data_len;
    - unsigned int dma_nents;
    + int dma_nents;
    };

    /* fwd declarations */
    --
    2.20.1
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