From: Markus Elfring <Markus.Elfring@web.de>
To: make24@iscas.ac.cn, linux-tegra@vger.kernel.org,
dri-devel@lists.freedesktop.org, David Airlie <airlied@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Mikko Perttunen <mperttunen@nvidia.com>,
Simona Vetter <simona@ffwll.ch>,
Thierry Reding <thierry.reding@gmail.com>
Cc: stable@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] drm/tegra: dc: fix reference leak in tegra_dc_couple()
Date: Sat, 27 Sep 2025 14:43:17 +0200 [thread overview]
Message-ID: <f0b0a007-599b-428b-bea6-5eafc567d757@web.de> (raw)
In-Reply-To: <20250927094741.9257-1-make24@iscas.ac.cn>
> driver_find_device() calls get_device() to increment the reference
> count once a matching device is found, but there is no put_device() to
> balance the reference count. To avoid reference count leakage, add
> put_device() to decrease the reference count.
How do you think about to increase the application of scope-based resource management?
https://elixir.bootlin.com/linux/v6.17-rc7/source/include/linux/device.h#L1180
Regards,
Markus
next prev parent reply other threads:[~2025-09-27 12:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-27 9:47 [PATCH] drm/tegra: dc: fix reference leak in tegra_dc_couple() Ma Ke
2025-09-27 12:43 ` Markus Elfring [this message]
2025-09-27 18:09 ` Greg KH
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