From patchwork Thu Dec 17 12:17:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 70106 X-Patchwork-Delegate: stanimir.varbanov@linaro.org Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1kpsGd-007G4p-Hb; Thu, 17 Dec 2020 12:20:24 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728789AbgLQMTw (ORCPT + 1 other); Thu, 17 Dec 2020 07:19:52 -0500 Received: from smtp01.smtpout.orange.fr ([80.12.242.123]:53306 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728709AbgLQMTq (ORCPT ); Thu, 17 Dec 2020 07:19:46 -0500 Received: from localhost.localdomain ([92.131.12.169]) by mwinf5d48 with ME id 5QHz2400L3eqQsk03QJ0QR; Thu, 17 Dec 2020 13:18:01 +0100 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Thu, 17 Dec 2020 13:18:01 +0100 X-ME-IP: 92.131.12.169 From: Christophe JAILLET To: stanimir.varbanov@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, mchehab@kernel.org, georgi.djakov@linaro.org Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH] media: venus: core: Fix a resource leak in error handling paths of the probe function Date: Thu, 17 Dec 2020 13:17:25 +0100 Message-Id: <20201217121725.156649-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,FREEMAIL_FORGED_FROMDOMAIN=0.001,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Add 2 missing 'icc_put()' calls in the error handling path of the probe function, as already done in the remove function. Fixes: 32f0a6ddc8c9 ("media: venus: Use on-chip interconnect API") Signed-off-by: Christophe JAILLET --- drivers/media/platform/qcom/venus/core.c | 31 +++++++++++++++++------- 1 file changed, 22 insertions(+), 9 deletions(-) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index bdd293faaad0..2e6ce215740b 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -200,27 +200,35 @@ static int venus_probe(struct platform_device *pdev) return PTR_ERR(core->video_path); core->cpucfg_path = of_icc_get(dev, "cpu-cfg"); - if (IS_ERR(core->cpucfg_path)) - return PTR_ERR(core->cpucfg_path); + if (IS_ERR(core->cpucfg_path)) { + ret = PTR_ERR(core->cpucfg_path); + goto err_video_path_put; + } core->irq = platform_get_irq(pdev, 0); - if (core->irq < 0) - return core->irq; + if (core->irq < 0) { + ret = core->irq; + goto err_cpucfg_path_put; + } core->res = of_device_get_match_data(dev); - if (!core->res) - return -ENODEV; + if (!core->res) { + ret = -ENODEV; + goto err_cpucfg_path_put; + } mutex_init(&core->pm_lock); core->pm_ops = venus_pm_get(core->res->hfi_version); - if (!core->pm_ops) - return -ENODEV; + if (!core->pm_ops) { + ret = -ENODEV; + goto err_cpucfg_path_put; + } if (core->pm_ops->core_get) { ret = core->pm_ops->core_get(dev); if (ret) - return ret; + goto err_cpucfg_path_put; } ret = dma_set_mask_and_coherent(dev, core->res->dma_mask); @@ -305,6 +313,11 @@ static int venus_probe(struct platform_device *pdev) err_core_put: if (core->pm_ops->core_put) core->pm_ops->core_put(dev); +err_cpucfg_path_put: + icc_put(core->cpucfg_path); +err_video_path_put: + icc_put(core->video_path); + return ret; }