lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 2 Feb 2024 17:40:21 +0100
From: Christian Marangi <ansuelsmth@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Frank Rowand <frowand.list@...il.com>,
	Robert Marko <robert.marko@...tura.hr>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org
Subject: Re: [net-next PATCH v5 9/9] net: phy: qca807x: add support for
 configurable LED

On Fri, Feb 02, 2024 at 02:43:37AM +0100, Andrew Lunn wrote:
> > +
> > +			phydev->drv->led_brightness_set = NULL;
> > +			phydev->drv->led_blink_set = NULL;
> > +			phydev->drv->led_hw_is_supported = NULL;
> > +			phydev->drv->led_hw_control_set = NULL;
> > +			phydev->drv->led_hw_control_get = NULL;
> 
> I don't see how that works. You have multiple PHYs using this
> driver. Some might have LEDs, some might have GPOs. But if you modify
> the driver structure like this, you prevent all PHYs from having LEDs,
> and maybe cause a Opps if a PHY device has already registered its
> LEDs?
>

God you are right! Off-topic but given the effects this may cause, why
the thing is not const? I assume it wouldn't make sense to add OPS based
on the detected feature since it would have side effect on other PHYs
that use the same driver.

-- 
	Ansuel

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ