linux-kernel - Re: [net-next v5 0/2] Prevent nullptr exceptions in ISR

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Date: Thu, 01 Feb 2024 00:30:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Andre Werner <andre.werner@...tec-electronic.com>
Cc: andrew@...n.ch, hkallweit1@...il.com, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 linux@...linux.org.uk, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net-next v5 0/2] Prevent nullptr exceptions in ISR

Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Mon, 29 Jan 2024 14:55:03 +0100 you wrote:
> In case phydev->irq is modified unconditionally to a valid IRQ, handling
> the IRQ may lead to a nullptr exception if no interrupt handler is
> registered to the phy driver. phy_interrupt calls a
> phy_device->handle_interrupt unconditionally. And interrupts are enabled
> in phy_connect_direct if phydev->irq is not equal to PHY_POLL or
> PHY_MAC_INTERRUPT, so it does not check for a phy driver providing an ISR.
> 
> [...]

Here is the summary with links:
  - [net-next,v5,1/2] net: phy: phy_device: Prevent nullptr exceptions on ISR
    https://git.kernel.org/netdev/net-next/c/61c81872815f
  - [net-next,v5,2/2] net: phy: adin1100: Add interrupt support for link change
    https://git.kernel.org/netdev/net-next/c/08b47dfdd6b8

You are awesome, thank you!
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