netdev - Re: [PATCH] net/mlx5: Flag state up only after cmdif is ready

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Message-ID: <249a78c2-97cc-4f30-a156-d420bf285fc1@redhat.com>
Date: Wed, 28 May 2025 09:38:57 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Chenguang Zhao <zhaochenguang@...inos.cn>,
 Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 Tariq Toukan <tariqt@...dia.com>, Andrew Lunn <andrew+netdev@...n.ch>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH] net/mlx5: Flag state up only after cmdif is ready

On 5/27/25 3:37 AM, Chenguang Zhao wrote:
> When driver is reloading during recovery flow, it can't get new commands
> till command interface is up again. Otherwise we may get to null pointer
> trying to access non initialized command structures.
> 
> Signed-off-by: Chenguang Zhao <zhaochenguang@...inos.cn>

This is a fix, it should target the 'net' tree in the subj prefix and
should include a suitable fixes tag.  See:
Documentation/process/maintainer-netdev.rst.

It would be good to also include the decoded stack trace for the
mentioned NULL ptr dereference, if available.

Thanks