linux-kernel - Re: [RFC net-next v4 1/2] net: phy: phy_device: Prevent nullptr exceptions on ISR

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Message-ID: <645d928b-cd8b-42d0-9f68-fb9b05769cfa@lunn.ch>
Date: Sun, 21 Jan 2024 21:23:18 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Andre Werner <andre.werner@...tec-electronic.com>
Cc: 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: [RFC net-next v4 1/2] net: phy: phy_device: Prevent nullptr
 exceptions on ISR

On Sun, Jan 21, 2024 at 08:54:48PM +0100, Andre Werner wrote:
> If phydev->irq is set unconditionally, check
> for valid interrupt handler or fall back to polling mode to prevent
> nullptr exceptions in interrupt service routine.
> 
> Signed-off-by: Andre Werner <andre.werner@...tec-electronic.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew