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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH] nvme: Fix error flow at nvme_rdma_configure_admin_queue()
Date: Tue, 19 Jun 2018 07:41:57 +0200	[thread overview]
Message-ID: <20180619054157.GC23184@lst.de> (raw)
In-Reply-To: <a760d739-f88b-99bf-27ca-4dee113b5b49@mellanox.com>

On Sun, Jun 17, 2018@01:52:55PM +0300, Max Gurtovoy wrote:
>> back instead and have a different double free protection.  E.g.
>> in nvme_rdma_free_qe just check if qe->data is set first,
>> and the NULL it out when freeing.
>>
>
> I guess we can but this is not enough since we'll need to move the call to 
> nvme_rdma_free_qe to be after stopping the queue. I actually think that 
> making it symetrical is the right way to go (we also have a flag 
> NVME_RDMA_Q_ALLOCATED that helps here) but I guess reverting Sagi's commit 
> + some fix will work too.

Yes, it should be symetrical either way.  What is the story with
NVME_RDMA_Q_ALLOCATED?

  reply	other threads:[~2018-06-19  5:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-14 12:37 [PATCH] nvme: Fix error flow at nvme_rdma_configure_admin_queue() Israel Rukshin
2018-06-15  8:01 ` Christoph Hellwig
2018-06-17 10:52   ` Max Gurtovoy
2018-06-19  5:41     ` Christoph Hellwig [this message]
2018-06-19 10:36       ` Sagi Grimberg
2018-06-19 12:09         ` Max Gurtovoy
2018-06-19 12:30           ` Sagi Grimberg
2018-06-19 16:08             ` Max Gurtovoy
2018-06-19 16:12               ` Sagi Grimberg
2018-06-19 16:21                 ` Max Gurtovoy
2018-06-19 16:38                   ` Sagi Grimberg
2018-06-19 11:57       ` Max Gurtovoy

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