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From: Roger Quadros <rogerq@kernel.org>
To: Nicolas Pitre <nico@fluxnic.net>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Grygorii Strashko <grygorii.strashko@ti.com>,
	Vignesh Raghavendra <vigneshr@ti.com>
Cc: Nicolas Pitre <npitre@baylibre.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3 2/2] net: ethernet: ti: am65-cpsw: avoid devm_alloc_etherdev, fix module removal
Date: Mon, 7 Oct 2024 14:37:37 +0300	[thread overview]
Message-ID: <ebd0bc6c-355e-4bd6-8eaa-b4ec0e5212f1@kernel.org> (raw)
In-Reply-To: <20241004041218.2809774-3-nico@fluxnic.net>



On 04/10/2024 07:10, Nicolas Pitre wrote:
> From: Nicolas Pitre <npitre@baylibre.com>
> 
> Usage of devm_alloc_etherdev_mqs() conflicts with
> am65_cpsw_nuss_cleanup_ndev() as the same struct net_device instances
> get unregistered twice. Switch to alloc_etherdev_mqs() and make sure
> am65_cpsw_nuss_cleanup_ndev() unregisters and frees those net_device
> instances properly.
> 
> With this, it is finally possible to rmmod the driver without oopsing
> the kernel.
> 
> Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
> Signed-off-by: Nicolas Pitre <npitre@baylibre.com>

Reviewed-by: Roger Quadros <roger@kernel.org>

  parent reply	other threads:[~2024-10-07 11:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-04  4:10 [PATCH net v3 0/2] fix ti-am65-cpsw-nuss module removal Nicolas Pitre
2024-10-04  4:10 ` [PATCH net v3 1/2] net: ethernet: ti: am65-cpsw: prevent WARN_ON upon " Nicolas Pitre
2024-10-04  8:48   ` Roger Quadros
2024-10-04  4:10 ` [PATCH net v3 2/2] net: ethernet: ti: am65-cpsw: avoid devm_alloc_etherdev, fix " Nicolas Pitre
2024-10-04  9:09   ` Roger Quadros
2024-10-04 12:57     ` Roger Quadros
2024-10-04 15:37     ` Nicolas Pitre
2024-10-04 19:50       ` Roger Quadros
2024-10-04 21:17         ` Nicolas Pitre
2024-10-05 20:26         ` Nicolas Pitre
2024-10-07 11:37           ` Roger Quadros
2024-10-07 11:37   ` Roger Quadros [this message]
2024-10-08  8:50 ` [PATCH net v3 0/2] fix ti-am65-cpsw-nuss " patchwork-bot+netdevbpf

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