[PATCH 4.19 012/115] RDMA/cma: add missed unregister_pernet_subsys in init failure

Greg Kroah-Hartman
2020-01-07T21:17:52Z

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 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