From: "Xueming(Steven) Li" <xuemingl@nvidia.com>
To: "heinrich.kuhn@corigine.com" <heinrich.kuhn@corigine.com>,
"stable@dpdk.org" <stable@dpdk.org>
Cc: "simon.horman@corigine.com" <simon.horman@corigine.com>
Subject: Re: [dpdk-stable] [PATCH 20.11] net/nfp: cancel delayed LSC work in port close logic
Date: Sat, 27 Nov 2021 14:34:13 +0000 [thread overview]
Message-ID: <ccc8f51d2c340a166437ef893b267fb53b517fd9.camel@nvidia.com> (raw)
In-Reply-To: <20211112065124.47457-1-heinrich.kuhn@corigine.com>
On Fri, 2021-11-12 at 08:51 +0200, heinrich.kuhn@corigine.com wrote:
> From: Heinrich Kuhn <heinrich.kuhn@corigine.com>
>
> [ upstream commit 851f03e1eab7d29a81078832b49f2977e9562524 ]
>
> The link state change interrupt handler of the NFP PMD will delay the
> actual LSC work for a short period to ensure the link is stable. If the
> link of the port changes state and the port is closed immediately after
> the link event then a segmentation fault will occur. This happens
> because the delayed LSC work eventually triggers and this logic will try
> to access private port data that had been released when the port was
> closed.
>
> Fixes: 6c53f87b3497 ("nfp: add link status interrupt")
> Cc: stable@dpdk.org
>
> Signed-off-by: Heinrich Kuhn <heinrich.kuhn@corigine.com>
> Signed-off-by: Simon Horman <simon.horman@corigine.com>
> ---
Applied to 20.11.4 list, thanks!
prev parent reply other threads:[~2021-11-27 14:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-12 6:51 heinrich.kuhn
2021-11-27 14:34 ` Xueming(Steven) Li [this message]
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