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: 10152489 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 CA22660223 for ; Tue, 9 Jan 2018 14:50:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B7CAD28A39 for ; Tue, 9 Jan 2018 14:50:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B640A28A71; Tue, 9 Jan 2018 14:50:30 +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,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 34BBE28A5E for ; Tue, 9 Jan 2018 14:50:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DnWpp93EwzaWO+BYdWT+KIj3sA8ZB8eoEV3VXfSbUew=; b=i/DGZe3ganm6mu rG/YSchSA0ZA5/ZQKaWNv0vMnEJoKZiLxpvXMuRENJwPx5wgZVi1VB1+etJOfTU49378B4QE9i9sf R2z6yQP0SZ+8Kn6mhUqqzpmojyRYtgbZPJGnr2WidjUP+3BphEoFxnHIhtxnJjzmiutaWXInzGNYg 3ca8u/EQOZtszLFu7R23txRVoMPbKbLQ725kyrdw5caucAhUUwetUl+h0FJPMOS4P3Nqmp6rf35aJ /8tvVb2JqUj7/F5XwjlLrMZkDB4Ty0OYPaWJ98A+PYxMF87vRpTEk7Kydqyvm2Kpbz/QrPoshwMLo XNdFRpsrY2GWWzn0VNyQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eYvEP-0003sR-GQ; Tue, 09 Jan 2018 14:50:25 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eYvDo-0003AO-Fb for linux-rockchip@lists.infradead.org; Tue, 09 Jan 2018 14:49:56 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180109_064949_384693_5F4134E8 X-CRM114-Status: UNSURE ( 9.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, Jeffy Chen , Sean Paul , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org 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 = {