linux-kernel - Re: [PATCH] platform/chrome: cros_ec_i2c: Less function calls in cros_ec_cmd_xfer

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: Wed, 3 Jan 2024 11:34:12 +0800
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: Markus Elfring <Markus.Elfring@....de>
Cc: chrome-platform@...ts.linux.dev, kernel-janitors@...r.kernel.org,
	Benson Leung <bleung@...omium.org>,
	Günter Röck <groeck@...omium.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/chrome: cros_ec_i2c: Less function calls in
 cros_ec_cmd_xfer_i2c() after error detection

On Thu, Dec 28, 2023 at 08:56:38AM +0100, Markus Elfring wrote:
> The kfree() function was called in up to two cases by
> the cros_ec_cmd_xfer_i2c() function during error handling
> even if the passed variable contained a null pointer.
> This issue was detected by using the Coccinelle software.
> 
> * Adjust jump targets.
> 
> * Delete two initialisations which became unnecessary
>   with this refactoring.

The patch saves few instructions but makes the code less readable a bit.  I
would prefer to leave the code as is or wait for other reviewers' input.