From: patchwork-bot+netdevbpf@kernel.org
To: Aleksei Sviridkin <f@lex.la>
Cc: netdev@vger.kernel.org, chester.a.unal@arinc9.com,
daniel@makrotopia.org, andrew@lunn.ch, olteanv@gmail.com,
gerg@kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com,
angelogioacchino.delregno@collabora.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH net v2 0/2] net: dsa: mt7530: fix two crashes on driver unbind
Date: Thu, 24 Sep 2026 16:20:06 +0000 [thread overview]
Message-ID: <179026680615.1636687.12670916217033906178.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260918015020.2518315-1-f@lex.la>
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Fri, 18 Sep 2026 04:50:18 +0300 you wrote:
> Unbinding the MT7530 driver from an MT7531 dereferences NULL in
> regulator_disable(). On a Netcraze NC-1012 (MT7981B + MT7531, 6.18.44):
>
> # echo mdio-bus:1f > /sys/bus/mdio_bus/drivers/mt7530-mdio/unbind
>
> oopses there, and the build it was found on sets CONFIG_PANIC_ON_OOPS, so
> the board goes down with it. Fix that and the same command gets as far as
> mt7530_remove_common(), which disposes interrupt mappings the switch's own
> regmap-irq chip still owns; the regmap-irq thread then faults in
> handle_nested_irq() later in the same teardown. rmmod reaches both, since
> mdio_module_driver() calls .remove on module exit.
>
> [...]
Here is the summary with links:
- [net,v2,1/2] net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621
https://git.kernel.org/netdev/net/c/c2cdef41e0b4
- [net,v2,2/2] net: dsa: mt7530: leave the MDIO IRQ mappings to regmap-irq
https://git.kernel.org/netdev/net/c/0d80ba0a204c
You are awesome, thank you!
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prev parent reply other threads:[~2026-09-24 16:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 1:50 Aleksei Sviridkin
2026-09-18 1:50 ` [PATCH net v2 1/2] net: dsa: mt7530: fix NULL dereference on unbind of MT7531 and MT7621 Aleksei Sviridkin
2026-09-18 1:58 ` Andrew Lunn
2026-09-18 8:20 ` Aleksei Sviridkin
2026-09-22 2:15 ` netdev-bot+sashiko
2026-09-18 1:50 ` [PATCH net v2 2/2] net: dsa: mt7530: leave the MDIO IRQ mappings to regmap-irq Aleksei Sviridkin
2026-09-24 16:20 ` patchwork-bot+netdevbpf [this message]
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