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Date:   Wed, 25 Dec 2019 11:23:41 +0200
From:   Leon Romanovsky <leon@kernel.org>
To:     Frank Huang <tigerinxm@gmail.com>
Cc:     linux-rdma@vger.kernel.org
Subject: Re: rxe panic
Message-ID: <20191225092341.GC212002@unreal>
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On Wed, Dec 25, 2019 at 03:23:53PM +0800, Frank Huang wrote:
> hi leon
>
> I can not get what you means, do you say the rxe_add_ref(qp) is not needed?

It is not what I'm saying.

The use of rxe_add_ref(qp) assumes that QP can't disappear while it is
called. From what I see in the code, rxe_responder() doesn't guarantee
that.

Thanks