From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934835AbdJRMKm (ORCPT ); Wed, 18 Oct 2017 08:10:42 -0400 Received: from regular1.263xmail.com ([211.150.99.139]:33280 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934574AbdJRMKj (ORCPT ); Wed, 18 Oct 2017 08:10:39 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <310307f51884da845052b80826e1604b> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jeffy Chen To: linux-kernel@vger.kernel.org Cc: briannorris@chromium.org, seanpaul@chromium.org, dianders@chromium.org, heiko@sntech.de, tfiga@chromium.org, Jeffy Chen , Mark Yao , dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, David Airlie , linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 6/9] drm/rockchip: inno_hdmi: Fix error handling path Date: Wed, 18 Oct 2017 20:09:41 +0800 Message-Id: <20171018120944.7819-7-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171018120944.7819-1-jeffy.chen@rock-chips.com> References: <20171018120944.7819-1-jeffy.chen@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add missing error handling in bind(). Fixes: 412d4ae6b7a5 ("drm/rockchip: hdmi: add Innosilicon HDMI support") Signed-off-by: Jeffy Chen --- Changes in v5: Call the destroy hook in the error handling path like in unbind(). Update cleanup order in unbind(). 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 ee584d87111f..9a96ff6b022b 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -851,8 +851,10 @@ 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); @@ -860,7 +862,7 @@ 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; } /* @@ -874,7 +876,7 @@ 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); @@ -884,7 +886,17 @@ 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; } @@ -896,8 +908,8 @@ 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 = { -- 2.11.0