linux-kernel - Re: [PATCH 08/17] net: lan966x: remove debugfs directory in probe() error path

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Date: Tue, 30 Apr 2024 15:57:50 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Lee Jones <lee@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	UNGLinuxDriver@...rochip.com,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Saravana Kannan <saravanak@...gle.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Lars Povlsen <lars.povlsen@...rochip.com>,
	Steen Hegelund <Steen.Hegelund@...rochip.com>,
	Daniel Machon <daniel.machon@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	netdev@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Allan Nielsen <allan.nielsen@...rochip.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	stable@...r.kernel.org
Subject: Re: [PATCH 08/17] net: lan966x: remove debugfs directory in probe()
 error path

On Tue, Apr 30, 2024 at 10:37:17AM +0200, Herve Codina wrote:
> A debugfs directory entry is create early during probe(). This entry is
> not removed on error path leading to some "already present" issues in
> case of EPROBE_DEFER.
> 
> Create this entry later in the probe() code to avoid the need to change
> many 'return' in 'goto' and add the removal in the already present error
> path.
> 
> Fixes: 942814840127 ("net: lan966x: Add VCAP debugFS support")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Herve Codina <herve.codina@...tlin.com>

I know you plan to split this patchset up and submit via different
subsystems. When you do, please post this for net, not net-next, since
it is a fix.

   Andrew