netdev - Re: [PATCH] net: dsa: microchip: fix NULL pointer dereference on platform init

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Message-ID: <20231205101257.nrlknmlv7sw7smtg@skbuf>
Date: Tue, 5 Dec 2023 12:12:57 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Daniel Danzberger <dd@...edd.com>
Cc: woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
	netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH] net: dsa: microchip: fix NULL pointer dereference on
 platform init

On Mon, Dec 04, 2023 at 04:43:15PM +0100, Daniel Danzberger wrote:
> Fixes a NULL pointer access when registering a switch device that has
> not been defined via DTS.
> 
> This might happen when the switch is used on a platform like x86 that
> doesn't use DTS and instantiates devices in platform specific init code.
> 
> Signed-off-by: Daniel Danzberger <dd@...edd.com>
> ---

I'm sorry, I just don't like the state in which your patch leaves the
driver. Would you mind testing this attached patch instead?

View attachment "0001-net-dsa-microchip-properly-support-platform_data-pro.patch" of type "text/x-diff" (4071 bytes)