From patchwork Tue Oct 17 08:09:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 10011159 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 481C560211 for ; Tue, 17 Oct 2017 08:23:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3684D287E0 for ; Tue, 17 Oct 2017 08:23:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2B635287EA; Tue, 17 Oct 2017 08:23:09 +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=ham 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 DDD2E287E0 for ; Tue, 17 Oct 2017 08:23:08 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=VcRcyZejmSEkbUSSAgB9gUJlnY0W5hcRXxRqbFx/49U=; b=oz/hyUuyXflSDChhkUfzLzhfqL 5szC08W7K3gSmMCo9aGyKoe9swJozrpB3yZl7SnNICP2L8ihgpOItWTpWeCjP7CTz8pIQf52ofzN0 /Q1ItrHkWbxEEg2fXaetQi48zkyan21wEwXkgYciEt9qennxrOFF4RKZvK3kJgDeOvAPBUf7WALXA EcHQf/OoTdYOZY/zHg8AqJPCcSj2Ar7yebL6GPs1zhVHLBtzXT/vE5TVH6bSbm75Zh16UPlurLLaO sfG3Dtuu2M8CHInWOCknJm7NoccUAyv9Z1ANJcN1vI/yNCJqKbhUrEo8+6ZRNzSznQP7OWDRt1Z32 7im+Fu0A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1e4N9D-0007UW-6o; Tue, 17 Oct 2017 08:22:47 +0000 Received: from regular1.263xmail.com ([211.150.99.135]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1e4MxK-0005pJ-JL; Tue, 17 Oct 2017 08:10:38 +0000 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.153]) by regular1.263xmail.com (Postfix) with ESMTP id 8D66B1E3F8; Tue, 17 Oct 2017 16:10:04 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id C91FF3AF; Tue, 17 Oct 2017 16:10:00 +0800 (CST) 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: X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 211569O43D6; Tue, 17 Oct 2017 16:10:05 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 2/5] drm/rockchip: Fix error handling path in rockchip_dp_bind() Date: Tue, 17 Oct 2017 16:09:22 +0800 Message-Id: <20171017080925.23763-3-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171017080925.23763-1-jeffy.chen@rock-chips.com> References: <20171017080925.23763-1-jeffy.chen@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171017_011031_237610_AFF7CEAF X-CRM114-Status: UNSURE ( 6.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dmitry.torokhov@gmail.com, heiko@sntech.de, David Airlie , briannorris@chromium.org, rjw@rjwysocki.net, dianders@chromium.org, dri-devel@lists.freedesktop.org, tfiga@chromium.org, linux-rockchip@lists.infradead.org, Jeffy Chen , broonie@kernel.org, seanpaul@chromium.org, linux-arm-kernel@lists.infradead.org, Mark Yao MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add missing error handling in rockchip_dp_bind(). Fixes: 9e32e16e9e98 ("drm: rockchip: dp: add rockchip platform dp driver") Signed-off-by: Jeffy Chen --- Changes in v3: None Changes in v2: None drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 4d3f6ad0abdd..cb8941e8bcdd 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -371,7 +371,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, ret = rockchip_dp_drm_create_encoder(dp); if (ret) { DRM_ERROR("failed to create drm encoder\n"); - return ret; + goto err_deinit_dp; } dp->plat_data.encoder = &dp->encoder; @@ -387,7 +387,17 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set); - return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); + ret = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); + if (ret < 0) + goto err_unreg_psr; + return 0; + +err_unreg_psr: + rockchip_drm_psr_unregister(&dp->encoder); + rockchip_dp_drm_encoder_destroy(&dp->encoder); +err_deinit_dp: + clk_disable_unprepare(dp->pclk); + return ret; } static void rockchip_dp_unbind(struct device *dev, struct device *master,