linux-kernel - [PATCH 4.19 012/115] RDMA/cma: add missed unregister_pernet

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Message-Id: <20200107205247.577554699@linuxfoundation.org>
Date:   Tue,  7 Jan 2020 21:53:42 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>,
        Parav Pandit <parav@...lanox.com>,
        Doug Ledford <dledford@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 012/115] RDMA/cma: add missed unregister_pernet_subsys in init failure

From: Chuhong Yuan <hslester96@...il.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@...il.com>
Reviewed-by: Parav Pandit <parav@...lanox.com>
Link: https://lore.kernel.org/r/20191206012426.12744-1-hslester96@gmail.com
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.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 1f373ba573b6..319bfef00a4a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4658,6 +4658,7 @@ 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;
-- 
2.20.1