linux-kernel - [PATCH v2] RDMA/cma: add missed unregister_pernet

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Date:   Fri,  6 Dec 2019 09:24:26 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Parav Pandit <parav@...lanox.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH v2] 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@...il.com>
---
Changes in v2:
  - Add fixes tag.

 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 25f2b70fd8ef..43a6f07e0afe 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4763,6 +4763,7 @@ static int __init cma_init(void)
 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;
-- 
2.24.0