From: "Uwe Kleine-König" <u.kleine-koenig@baylibre.com>
To: Ethan Tidmore <ethantidmore06@gmail.com>
Cc: lanzano.alex@gmail.com, maarten.lankhorst@linux.intel.com,
mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com,
simona@ffwll.ch, lumag@kernel.org, mehdi.djait@bootlin.com,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/tiny: sharp-memory: fix pointer error dereference
Date: Mon, 16 Feb 2026 07:10:24 +0100 [thread overview]
Message-ID: <aZK0bnHw63orpP3I@monoceros> (raw)
In-Reply-To: <20260216040438.43702-1-ethantidmore06@gmail.com>
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On Sun, Feb 15, 2026 at 10:04:38PM -0600, Ethan Tidmore wrote:
> The function devm_drm_dev_alloc() returns a pointer error upon failure
> not NULL. Change null check to pointer error check.
>
> Detected by Smatch:
> drivers/gpu/drm/tiny/sharp-memory.c:549 sharp_memory_probe() error:
> 'smd' dereferencing possible ERR_PTR()
>
> Fixes: b8f9f21716fec ("drm/tiny: Add driver for Sharp Memory LCD")
> Signed-off-by: Ethan Tidmore <ethantidmore06@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Best regards
Uwe
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next prev parent reply other threads:[~2026-02-16 6:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-16 4:04 [PATCH] drm/tiny: sharp-memory: fix pointer error dereference Ethan Tidmore
2026-02-16 6:10 ` Uwe Kleine-König [this message]
2026-02-17 8:41 ` Thomas Zimmermann
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