RDMA/cma: add missed unregister_pernet_subsys in init failure

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>

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 25f2b70fd8efb1e29de3b4d93a22a1aba411af13..43a6f07e0afe2b9ffb62e59c052e189a15569189 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4763,6 +4763,7 @@ err_ib:
 err:
        unregister_netdevice_notifier(&cma_nb);
        ib_sa_unregister_client(&sa_client);
+       unregister_pernet_subsys(&cma_pernet_operations);
 err_wq:
        destroy_workqueue(cma_wq);
        return ret;