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Sat, 04 Jul 2026 10:53:58 -0700 (PDT) From: Biren Pandya To: linux-media@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, niklas.soderlund@ragnatech.se, mchehab@kernel.org, geert+renesas@glider.be, magnus.damm@gmail.com, laurent.pinchart@ideasonboard.com, jacopo.mondi@ideasonboard.com, Biren Pandya Subject: [PATCH v3 2/4] media: renesas: csisp: Add missing media_entity_cleanup() Date: Sat, 4 Jul 2026 23:16:41 +0530 Message-ID: <20260704174638.66302-8-birenpandya@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260704174638.66302-6-birenpandya@gmail.com> References: <20260704174638.66302-6-birenpandya@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The probe error path and the remove function fail to call media_entity_cleanup() upon teardown. While currently a no-op in most cases, calling media_entity_cleanup() is an API requirement for entities initialized with media_entity_pads_init() to prevent memory leaks. Add the missing media_entity_cleanup() calls. Furthermore, introduce a dedicated error_entity label in the probe error path to ensure the cleanup is only invoked if media_entity_pads_init() has successfully completed. Signed-off-by: Biren Pandya --- drivers/media/platform/renesas/rcar-isp/csisp.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/renesas/rcar-isp/csisp.c b/drivers/media/platform/renesas/rcar-isp/csisp.c index 8fb2cc3b5650..61558a71ee35 100644 --- a/drivers/media/platform/renesas/rcar-isp/csisp.c +++ b/drivers/media/platform/renesas/rcar-isp/csisp.c @@ -539,7 +539,7 @@ static int risp_probe(struct platform_device *pdev) ret = v4l2_subdev_init_finalize(&isp->subdev); if (ret) - goto error_notifier; + goto error_entity; ret = v4l2_async_register_subdev(&isp->subdev); if (ret < 0) @@ -551,6 +551,8 @@ static int risp_probe(struct platform_device *pdev) error_subdev: v4l2_subdev_cleanup(&isp->subdev); +error_entity: + media_entity_cleanup(&isp->subdev.entity); error_notifier: v4l2_async_nf_unregister(&isp->notifier); v4l2_async_nf_cleanup(&isp->notifier); @@ -569,6 +571,7 @@ static void risp_remove(struct platform_device *pdev) v4l2_async_unregister_subdev(&isp->subdev); v4l2_subdev_cleanup(&isp->subdev); + media_entity_cleanup(&isp->subdev.entity); pm_runtime_disable(&pdev->dev); } -- 2.50.1 (Apple Git-155)