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    Subject[PATCH AUTOSEL 4.4 02/11] RDMA/cma: add missed unregister_pernet_subsys in init failure
    Date
    From: Chuhong Yuan <hslester96@gmail.com>

    [ Upstream commit 44a7b6759000ac51b92715579a7bba9e3f9245c2 ]

    The driver forgets to call unregister_pernet_subsys() in the error path
    of cma_init().
    Add the missed call to fix it.

    Fixes: 4be74b42a6d0 ("IB/cma: Separate port allocation to network namespaces")
    Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
    Reviewed-by: Parav Pandit <parav@mellanox.com>
    Link: https://lore.kernel.org/r/20191206012426.12744-1-hslester96@gmail.com
    Signed-off-by: Doug Ledford <dledford@redhat.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/infiniband/core/cma.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
    index 8ad9c6b04769d..5ed9b5f8a0377 100644
    --- a/drivers/infiniband/core/cma.c
    +++ b/drivers/infiniband/core/cma.c
    @@ -4109,6 +4109,7 @@ static int __init cma_init(void)
    unregister_netdevice_notifier(&cma_nb);
    rdma_addr_unregister_client(&addr_client);
    ib_sa_unregister_client(&sa_client);
    + unregister_pernet_subsys(&cma_pernet_operations);
    err_wq:
    destroy_workqueue(cma_wq);
    return ret;
    --
    2.20.1
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