linux-kernel - Re: [PATCH next] drm/st7571-i2c: Fix IS

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]

Message-ID: <87msbxzuhh.fsf@minerva.mail-host-address-is-not-set>
Date: Wed, 30 Apr 2025 14:47:38 +0200
From: Javier Martinez Canillas <javierm@...hat.com>
To: Dan Carpenter <dan.carpenter@...aro.org>, Marcus Folkesson
 <marcus.folkesson@...il.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard
 <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David
 Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 kernel-janitors@...r.kernel.org
Subject: Re: [PATCH next] drm/st7571-i2c: Fix IS_ERR() vs NULL checks in
 probe()

Dan Carpenter <dan.carpenter@...aro.org> writes:

Hello Dan,

> The devm_kzalloc() function returns NULL on failure, not error pointers.
> Also printing an error message for kmalloc() failures is against kernel
> style so just return -ENOMEM without printing a message.  (Kmalloc
> already prints a message).
>
> Fixes: 4b35f0f41ee2 ("drm/st7571-i2c: add support for Sitronix ST7571 LCD controller")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat