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From: Markus Elfring <Markus.Elfring@web.de>
To: Karan Sanghavi <karansanghvi98@gmail.com>,
	dri-devel@lists.freedesktop.org,
	linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Alexandre Mergnat <amergnat@baylibre.com>,
	Angelo Gioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	David Airlie <airlied@gmail.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Simona Vetter <simona@ffwll.ch>,
	Sui Jingfeng <sui.jingfeng@linux.dev>
Cc: LKML <linux-kernel@vger.kernel.org>, "CK Hu (胡俊光)" <ck.hu@mediatek.com>
Subject: Re: [PATCH] drm/mediatek: Initialize pointer before use to avoid undefiend behaviour
Date: Tue, 24 Dec 2024 17:09:54 +0100	[thread overview]
Message-ID: <8a5bdda5-5e2a-4b73-91a5-849b6060e7df@web.de> (raw)
In-Reply-To: <20241111-uninitializedpointer1601557-v1-1-7d03668e8141@gmail.com>

> Initialize the pointer with NULL as mtk_drm_of_get_ddp_ep_cid
> function might return before assigning value to next pointer
> but yet further dereference to next can lead to some undefined
> behavior as it may point to some invalid location.

* You may occasionally put more than 62 characters into text lines
  of such a change description.

* Please avoid a typo the summary phrase.


…
> ---
> Coverity Message:
> CID 1601557: (#1 of 1): Uninitialized pointer read (UNINIT)
> 3. uninit_use: Using uninitialized value next.

May such information become a part for the final change description?

Regards,
Markus

  parent reply	other threads:[~2024-12-24 16:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-11 18:14 Karan Sanghavi
2024-12-24  8:34 ` CK Hu (胡俊光)
2024-12-24 16:09 ` Markus Elfring [this message]
2024-12-27  9:51   ` Karan Sanghavi
2024-12-27 10:24     ` Markus Elfring

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