linux-kernel - Re: [PATCH 3/7] net: macb: unprepare clocks in case of failure

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:   Sat, 5 Dec 2020 15:30:01 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     davem@...emloft.net, kuba@...nel.org, robh+dt@...nel.org,
        nicolas.ferre@...rochip.com, linux@...linux.org.uk,
        paul.walmsley@...ive.com, palmer@...belt.com, yash.shah@...ive.com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 3/7] net: macb: unprepare clocks in case of failure

On Fri, Dec 04, 2020 at 02:34:17PM +0200, Claudiu Beznea wrote:
> Unprepare clocks in case of any failure in fu540_c000_clk_init().

Hi Claudiu

Nice patchset. Simple to understand.
> 

> +err_disable_clocks:
> +	clk_disable_unprepare(*tx_clk);

> +	clk_disable_unprepare(*hclk);
> +	clk_disable_unprepare(*pclk);
> +	clk_disable_unprepare(*rx_clk);
> +	clk_disable_unprepare(*tsu_clk);

This looks correct, but it would be more symmetrical to add a

macb_clk_uninit()

function for the four main clocks. I'm surprised it does not already
exist.

	Andrew