linux-kernel - Re: [PATCH v5 1/3] phy: handle optional regulator for PHY

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] [day] [month] [year] [list]

Date: Tue, 2 Jan 2024 11:38:59 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>
Cc: Jernej Skrabec <jernej.skrabec@...il.com>, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	wens@...e.org, samuel@...lland.org, hkallweit1@...il.com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Corentin Labbe <clabbe.montjoie@...il.com>
Subject: Re: [PATCH v5 1/3] phy: handle optional regulator for PHY

On Thu, Dec 21, 2023 at 10:06:50AM +0100, Andrew Lunn wrote:
> I've not used regulators much, but i think you can combine these two
> into one. Its guaranteed *consumer is NULL if reg_cnt == 0. And
> kfree() is happy with a NULL pointer.

kfree(NULL) is valid (and is a no-op.)

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!