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From: Sagi Grimberg <sagi@grimberg.me>
To: Max Gurtovoy <maxg@mellanox.com>,
	Leon Romanovsky <leon@kernel.org>,
	Doug Ledford <dledford@redhat.com>
Cc: linux-rdma@vger.kernel.org,
	Vladimir Neyelov <vladimirn@mellanox.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH rdma-next] IB/iser: Fix connection teardown race condition
Date: Tue, 30 May 2017 14:50:16 +0300	[thread overview]
Message-ID: <fa976fe5-be25-1c6a-5997-8fa7524e89d8@grimberg.me> (raw)
In-Reply-To: <98334f53-a7ff-d465-989f-a5ee7add2291@mellanox.com>


> Hi Sagi,
>
> what do you think on this approach ?
> we must somehow defend on the NULL deref in case dd_data in iscsi_conn
> (the iser_conn) already NULL due to conn_stop call.

Sounds like we get conn_stop duing lun scanning. Generally speaking I
don't like a global lock for this, but given the non trivial iscsi state 
machine
we can do with that.

Reviewed-by: Sagi Grimberg <sagi@grimbeg.me>

  reply	other threads:[~2017-05-30 11:50 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-21 16:17 [PATCH rdma-next] IB/iser: Fix connection teardown race condition Leon Romanovsky
2017-05-21 16:17 ` Leon Romanovsky
2017-05-25 15:24 ` Max Gurtovoy
2017-05-25 15:24   ` Max Gurtovoy
2017-05-30 11:50   ` Sagi Grimberg [this message]
     [not found]     ` <fa976fe5-be25-1c6a-5997-8fa7524e89d8-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-07-22 17:17       ` Doug Ledford
2017-07-22 17:17         ` Doug Ledford

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