From patchwork Mon Mar 6 10:07:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 659365 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CDD5C61DA4 for ; Mon, 6 Mar 2023 10:09:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230367AbjCFKJh (ORCPT ); Mon, 6 Mar 2023 05:09:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230294AbjCFKJY (ORCPT ); Mon, 6 Mar 2023 05:09:24 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3ED1D50E; Mon, 6 Mar 2023 02:09:21 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A1C82B80D7F; Mon, 6 Mar 2023 10:09:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9E1FC433AF; Mon, 6 Mar 2023 10:09:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678097359; bh=rDU5BreCn1IEiZpcHkbtqMClvnHYxm1xtdxFVkqG/ZA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XRnzFwJRsM7C5JKkLY0cAIM6rr+X551YIOBPQwDQ4kz2cds+EO/6tffdt584fcCK5 mXYRABzCvNFHEqCqNa782uGR1cS7+wPf6GY7HpTpBSykWEZuF3p9JpDBeMLD+agAA4 yMmKF4Dbk7CY9qWCH+4RA2p+rA12QtYFxnkhc8RrF4fbzxsFJ+gBva2LUsfWyW9wH9 om/IK7zXzYyEioXi/CWsUixGErL+i0OYoJ9HtNp6yPxavWH4fhNwR0fuudCSi9V9GG Gm57wOshg5aEbyJm7TqxfMVArn6mdreTF56yXAPwv0nIl5VxLfYN8ALBwwmZgFY88z RMc9udy1qWxxw== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1pZ7n5-0007Qt-K0; Mon, 06 Mar 2023 11:09:59 +0100 From: Johan Hovold To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov Cc: Sean Paul , David Airlie , Daniel Vetter , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Johan Hovold , stable@vger.kernel.org Subject: [PATCH 08/10] drm/msm: fix workqueue leak on bind errors Date: Mon, 6 Mar 2023 11:07:20 +0100 Message-Id: <20230306100722.28485-9-johan+linaro@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230306100722.28485-1-johan+linaro@kernel.org> References: <20230306100722.28485-1-johan+linaro@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Make sure to destroy the workqueue also in case of early errors during bind (e.g. a subcomponent failing to bind). Since commit c3b790ea07a1 ("drm: Manage drm_mode_config_init with drmm_") the mode config will be freed when the drm device is released also when using the legacy interface, but add an explicit cleanup for consistency and to facilitate backporting. Fixes: 060530f1ea67 ("drm/msm: use componentised device support") Cc: stable@vger.kernel.org # 3.15 Cc: Rob Clark Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/msm_drv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index ac3b77dbfacc..73c597565f99 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -458,7 +458,7 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) ret = msm_init_vram(ddev); if (ret) - goto err_put_dev; + goto err_cleanup_mode_config; /* Bind all our sub-components: */ ret = component_bind_all(dev, ddev); @@ -563,6 +563,9 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) err_deinit_vram: msm_deinit_vram(ddev); +err_cleanup_mode_config: + drm_mode_config_cleanup(ddev); + destroy_workqueue(priv->wq); err_put_dev: drm_dev_put(ddev);