linux-kernel - Re: [PATCH] RDMA/bnxt_re: Remove redundant unlock in bnxt_re_dev

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Message-ID: <CA+sbYW15pcKBW32kYAj7gGkBt4RsG__XD+TVj8W7ovEF3HT8GA@mail.gmail.com>
Date:   Mon, 16 Aug 2021 14:46:44 +0530
From:   Selvin Xavier <selvin.xavier@...adcom.com>
To:     Dinghao Liu <dinghao.liu@....edu.cn>
Cc:     kjlu@....edu, Naresh Kumar PBS <nareshkumar.pbs@...adcom.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>, linux-rdma@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] RDMA/bnxt_re: Remove redundant unlock in bnxt_re_dev_init

On Mon, Aug 16, 2021 at 2:26 PM Dinghao Liu <dinghao.liu@....edu.cn> wrote:
>
> Commit c2b777a95923 removes all rtnl_lock() and rtnl_unlock()
> in function bnxt_re_dev_init(), but forgets to remove a rtnl_unlock()
> in the error handling path of bnxt_re_register_netdev(), which may
> cause a deadlock. This bug is suggested by a static analysis tool,
> please advise.
>
> Fixes: c2b777a95923 ("RDMA/bnxt_re: Refactor device add/remove functionalities")
> Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>

Acked-by: Selvin Xavier <selvin.xavier@...adcom.com>

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