netdev - Re: [RESEND] net: phy: fix NULL pointer dereference in phy_polling

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Message-ID: <aJMWDRNyq9VDlXJm@shell.armlinux.org.uk>
Date: Wed, 6 Aug 2025 09:45:01 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Xu Yang <xu.yang_2@....com>
Cc: andrew@...n.ch, hkallweit1@...il.com, o.rempel@...gutronix.de,
	pabeni@...hat.com, netdev@...r.kernel.org, imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [RESEND] net: phy: fix NULL pointer dereference in
 phy_polling_mode()

On Wed, Aug 06, 2025 at 04:29:31PM +0800, Xu Yang wrote:
> Not all phy devices have phy driver attached, so fix the NULL pointer
> dereference issue in phy_polling_mode() which was observed on USB net
> devices.

See my comments in response to your first posting.

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