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    Subject[PATCH 4.19 194/639] RDMA/mlx5: Fix memory leak in case we fail to add an IB device
    Date
    From: Mark Bloch <markb@mellanox.com>

    [ Upstream commit fc9e4477f924e84d7798f7a1d41401d699de1219 ]

    Make sure the IB device is freed on failure.

    Fixes: b5ca15ad7e61 ("IB/mlx5: Add proper representors support")
    Signed-off-by: Mark Bloch <markb@mellanox.com>
    Reviewed-by: Bodong Wang <bodong@mellanox.com>
    Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
    Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
    Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/infiniband/hw/mlx5/ib_rep.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
    index 35a0e04c38f28..b841589c27c9c 100644
    --- a/drivers/infiniband/hw/mlx5/ib_rep.c
    +++ b/drivers/infiniband/hw/mlx5/ib_rep.c
    @@ -69,8 +69,10 @@ mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
    ibdev->mdev = dev;
    ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
    MLX5_CAP_GEN(dev, num_vhca_ports));
    - if (!__mlx5_ib_add(ibdev, &rep_profile))
    + if (!__mlx5_ib_add(ibdev, &rep_profile)) {
    + ib_dealloc_device(&ibdev->ib_dev);
    return -EINVAL;
    + }

    rep->rep_if[REP_IB].priv = ibdev;

    --
    2.20.1


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