linux-kernel - Re: [PATCH v5 net-next 04/14] net: enetc: add MAC filtering for i.MX95 ENETC PF

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Message-ID: <20250415204238.4e0634f8@kernel.org>
Date: Tue, 15 Apr 2025 20:42:38 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Wei Fang <wei.fang@....com>
Cc: claudiu.manoil@....com, vladimir.oltean@....com, xiaoning.wang@....com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, christophe.leroy@...roup.eu, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
 linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 net-next 04/14] net: enetc: add MAC filtering for
 i.MX95 ENETC PF

On Fri, 11 Apr 2025 17:57:42 +0800 Wei Fang wrote:
>  	enetc4_pf_netdev_destroy(si);
>  	enetc4_pf_free(pf);
> +	destroy_workqueue(si->workqueue);

I think that you need to flush or cancel the work after unregistering
the netdev but before freeing it? The work may access netdev after its
freed.