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

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Date:   Thu, 5 Dec 2019 18:49:58 +0000
From:   Parav Pandit <parav@...lanox.com>
To:     Chuhong Yuan <hslester96@...il.com>
CC:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] RDMA/cma: add missed unregister_pernet_subsys in init
 failure



> From: linux-kernel-owner@...r.kernel.org <linux-kernel-
> owner@...r.kernel.org> On Behalf Of Chuhong Yuan
> Sent: Thursday, December 5, 2019 10:07 AM
> The driver forgets to call unregister_pernet_subsys() in the error path of
> cma_init().
> Add the missed call to fix it.
> 
> Signed-off-by: Chuhong Yuan <hslester96@...il.com>
> ---
>  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
Please add to commit log.

Fixes: 4be74b42a6d0 ("IB/cma: Separate port allocation to network namespaces ") 

Reviewed-by: Parav Pandit <parav@...lanox.com>