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Wed, 06 May 2026 05:41:30 -0700 (PDT) Received: from localhost.localdomain ([1.226.165.54]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-839679c7ba9sm5494056b3a.35.2026.05.06.05.41.27 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 06 May 2026 05:41:29 -0700 (PDT) From: Myeonghun Pak To: Maxime Ripard , Paul Kocialkowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Myeonghun Pak , linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Ijae Kim Subject: [PATCH v3] media: cedrus: clean up media device on probe failure Date: Wed, 6 May 2026 21:41:16 +0900 Message-ID: <20260506124124.27802-1-mhun512@gmail.com> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" cedrus_probe() initializes the media device before registering the video device, the media controller, and the media device. If any of those later steps fails, probe returns without calling media_device_cleanup(), so the media device internals initialized by media_device_init() are left behind. Add a media-device cleanup label to the probe unwind path and route video registration failures through it as well. Fixes: 50e761516f2b8c ("media: platform: Add Cedrus VPU decoder driver") Cc: stable@vger.kernel.org Reviewed-by: Paul Kocialkowski Co-developed-by: Ijae Kim Signed-off-by: Ijae Kim Signed-off-by: Myeonghun Pak --- Changes in v3: - Rename the media cleanup label to err_media. - Add Paul's Reviewed-by tag. Changes in v2: - Drop the now-unused err_m2m label. drivers/staging/media/sunxi/cedrus/cedrus.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/= media/sunxi/cedrus/cedrus.c index 6600245dff..7cb1f110d6 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -507,7 +507,7 @@ static int cedrus_probe(struct platform_device *pdev) ret =3D video_register_device(vfd, VFL_TYPE_VIDEO, 0); if (ret) { v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); - goto err_m2m; + goto err_media; } =20 v4l2_info(&dev->v4l2_dev, @@ -533,7 +533,8 @@ static int cedrus_probe(struct platform_device *pdev) v4l2_m2m_unregister_media_controller(dev->m2m_dev); err_video: video_unregister_device(&dev->vfd); -err_m2m: +err_media: + media_device_cleanup(&dev->mdev); v4l2_m2m_release(dev->m2m_dev); err_v4l2: v4l2_device_unregister(&dev->v4l2_dev); --=20 2.47.1