netdev - Re: [PATCH v3] RDS: IB: Fix null pointer issue

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Message-Id: <20180206.114456.138086901699680295.davem@davemloft.net>
Date:   Tue, 06 Feb 2018 11:44:56 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     guanglei.li@...cle.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH v3] RDS: IB: Fix null pointer issue

From: Guanglei Li <guanglei.li@...cle.com>
Date: Tue,  6 Feb 2018 10:43:21 +0800

> Scenario:
> 1. Port down and do fail over
> 2. Ap do rds_bind syscall
 ...
> PID: 45659                          PID: 47039
> rds_ib_laddr_check
>   /* create id_priv with a null event_handler */
>   rdma_create_id
>   rdma_bind_addr
>     cma_acquire_dev
>       /* add id_priv to cma_dev->id_list */
>       cma_attach_to_dev
>                                     cma_ndev_work_handler
>                                       /* event_hanlder is null */
>                                       id_priv->id.event_handler
> 
> Signed-off-by: Guanglei Li <guanglei.li@...cle.com>
> Signed-off-by: Honglei Wang <honglei.wang@...cle.com>
> Reviewed-by: Junxiao Bi <junxiao.bi@...cle.com>
> Reviewed-by: Yanjun Zhu <yanjun.zhu@...cle.com>
> Reviewed-by: Leon Romanovsky <leonro@...lanox.com>
> Acked-by: Santosh Shilimkar <santosh.shilimkar@...cle.com>
> Acked-by: Doug Ledford <dledford@...hat.com>

Applied, thanks.