From patchwork Tue Jan 9 14:48:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Escande X-Patchwork-Id: 10154349 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2EF2760231 for ; Wed, 10 Jan 2018 08:07:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2626E26E47 for ; Wed, 10 Jan 2018 08:07:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1AC4A27F7F; Wed, 10 Jan 2018 08:07:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B440B26E47 for ; Wed, 10 Jan 2018 08:07:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0983A6E202; Wed, 10 Jan 2018 08:07:07 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 02EA96E107 for ; Tue, 9 Jan 2018 14:49:24 +0000 (UTC) Received: from localhost.localdomain (unknown [IPv6:2a01:e35:8a7e:4790:89bd:7dd:e56e:3a92]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tescande) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 3FD2A271BED; Tue, 9 Jan 2018 14:49:22 +0000 (GMT) From: Thierry Escande To: Rob Herring , Archit Taneja , Daniel Vetter , Neil Armstrong , Laurent Pinchart , Sandy Huang Subject: [PATCH v7 5/8] drm/rockchip: inno_hdmi: Fix error handling path Date: Tue, 9 Jan 2018 15:48:50 +0100 Message-Id: <20180109144853.32536-6-thierry.escande@collabora.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180109144853.32536-1-thierry.escande@collabora.com> References: <20180109144853.32536-1-thierry.escande@collabora.com> MIME-Version: 1.0 Content-Transfert-Encoding: 8bit X-Mailman-Approved-At: Wed, 10 Jan 2018 08:07:04 +0000 Cc: linux-rockchip@lists.infradead.org, Jeffy Chen , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Jeffy Chen Add missing error handling in bind(). Fixes: 412d4ae6b7a5 ("drm/rockchip: hdmi: add Innosilicon HDMI support") Signed-off-by: Jeffy Chen Signed-off-by: Thierry Escande --- drivers/gpu/drm/rockchip/inno_hdmi.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index fab30927a889..b775283d7363 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -852,8 +852,10 @@ static int inno_hdmi_bind(struct device *dev, struct device *master, } irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; + if (irq < 0) { + ret = irq; + goto err_disable_clk; + } inno_hdmi_reset(hdmi); @@ -861,7 +863,7 @@ static int inno_hdmi_bind(struct device *dev, struct device *master, if (IS_ERR(hdmi->ddc)) { ret = PTR_ERR(hdmi->ddc); hdmi->ddc = NULL; - return ret; + goto err_disable_clk; } /* @@ -875,7 +877,7 @@ static int inno_hdmi_bind(struct device *dev, struct device *master, ret = inno_hdmi_register(drm, hdmi); if (ret) - return ret; + goto err_put_adapter; dev_set_drvdata(dev, hdmi); @@ -885,7 +887,17 @@ static int inno_hdmi_bind(struct device *dev, struct device *master, ret = devm_request_threaded_irq(dev, irq, inno_hdmi_hardirq, inno_hdmi_irq, IRQF_SHARED, dev_name(dev), hdmi); + if (ret < 0) + goto err_cleanup_hdmi; + return 0; +err_cleanup_hdmi: + hdmi->connector.funcs->destroy(&hdmi->connector); + hdmi->encoder.funcs->destroy(&hdmi->encoder); +err_put_adapter: + i2c_put_adapter(hdmi->ddc); +err_disable_clk: + clk_disable_unprepare(hdmi->pclk); return ret; } @@ -897,8 +909,8 @@ static void inno_hdmi_unbind(struct device *dev, struct device *master, hdmi->connector.funcs->destroy(&hdmi->connector); hdmi->encoder.funcs->destroy(&hdmi->encoder); - clk_disable_unprepare(hdmi->pclk); i2c_put_adapter(hdmi->ddc); + clk_disable_unprepare(hdmi->pclk); } static const struct component_ops inno_hdmi_ops = {