linux-kernel - Re: [PATCH v3] backlight: pm8941: Add NULL check in wled

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Message-ID: <d5f2aa49-27e2-4cc1-91be-4e195ed5249e@web.de>
Date: Tue, 1 Apr 2025 08:18:17 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Henry Martin <bsdhenrymartin@...il.com>, linux-fbdev@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc: LKML <linux-kernel@...r.kernel.org>, Daniel Thompson
 <danielt@...nel.org>, Helge Deller <deller@....de>,
 Jingoo Han <jingoohan1@...il.com>, Lee Jones <lee@...nel.org>
Subject: Re: [PATCH v3] backlight: pm8941: Add NULL check in wled_configure()

> devm_kasprintf() return NULL if memory allocation fails. Currently,
…
                call?                               failed?


> Add NULL check after devm_kasprintf() to prevent this issue.

Do you propose to improve this function implementation a bit more?

Regards,
Markus