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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=KEIH1qwXja/ZmU3/27elfahliyGtpPNLFM8jJAbIPe0=; b=dR6O9ucXXRPme3hVRVlbvCXUr4k3r7lInIyTI3qZBJtVZJwZp/HWyOOhY3YLHbMbk0 shyFRf9vBsJSTDmZJvVSMtwrXKiLzWDtFqxKZg6tm/6qAhY7ce6zjnohWe9Xz57xyZeF DqfQlncUyWysdhJHfjNWo6QgCJKZGSAU6hy74uaovLbmTby+lXbKURAGW2kvegmHbjLm 8ZqQrrtVaXx1MERnSY/jsgR24cTba2IwdSH4agyZ5GvioEI9FX4QKbDYhepEQEkr33o9 Ntdkl9spX7Zdakc/6bnxE0G/EjP6pXtXpuVuIBRVqbqz/9WFhMLWQnE2BHs5Iwq7DgbE ijyQ== X-Gm-Message-State: APjAAAV7xWbSPWk9cRCWCjdNvVriGPUCsqag806+20q3GGM+taWsV3ze 90mATy7DaSsCy1UaXlo0UBvARpZcySu5 X-Google-Smtp-Source: APXvYqwvYH4hqfpVMgHnlTJXAR9wXcKrV1aylz6TVB7wVNgSuffWm5cIKjVzB2ZMIRRMPL4bBaqkFWGwqZ2Y X-Received: by 2002:a63:ff5c:: with SMTP id s28mr1290924pgk.196.1580959095995; Wed, 05 Feb 2020 19:18:15 -0800 (PST) Date: Thu, 6 Feb 2020 11:17:50 +0800 In-Reply-To: <20200206031752.193298-1-tzungbi@google.com> Message-Id: <20200206102509.1.Ieba8d422486264eb7aaa3aa257620a1b0c74c6db@changeid> Mime-Version: 1.0 References: <20200206031752.193298-1-tzungbi@google.com> X-Mailer: git-send-email 2.25.0.341.g760bfbb309-goog Subject: [PATCH v2 1/3] drm/mediatek: exit earlier if failed to register audio driver From: Tzung-Bi Shih To: broonie@kernel.org, airlied@linux.ie, daniel@ffwll.ch X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200205_191817_214010_B4C70EA7 X-CRM114-Status: GOOD ( 11.49 ) X-Spam-Score: -7.7 (-------) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-7.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM white-list -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 DKIMWL_WL_MED DKIMwl.org - Medium sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, cychiang@google.com, tzungbi@google.com, dri-devel@lists.freedesktop.org, ck.hu@mediatek.com, linux-mediatek@lists.infradead.org, p.zabel@pengutronix.de, matthias.bgg@gmail.com, dgreid@google.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Exits earlier if register_audio_driver() returns errors. Signed-off-by: Tzung-Bi Shih Acked-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_hdmi.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index c79b1f855d89..23c2b0e8693d 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1656,7 +1656,7 @@ static const struct hdmi_codec_ops mtk_hdmi_audio_codec_ops = { .get_eld = mtk_hdmi_audio_get_eld, }; -static void mtk_hdmi_register_audio_driver(struct device *dev) +static int mtk_hdmi_register_audio_driver(struct device *dev) { struct hdmi_codec_pdata codec_data = { .ops = &mtk_hdmi_audio_codec_ops, @@ -1669,9 +1669,10 @@ static void mtk_hdmi_register_audio_driver(struct device *dev) PLATFORM_DEVID_AUTO, &codec_data, sizeof(codec_data)); if (IS_ERR(pdev)) - return; + return PTR_ERR(pdev); DRM_INFO("%s driver bound to HDMI\n", HDMI_CODEC_DRV_NAME); + return 0; } static int mtk_drm_hdmi_probe(struct platform_device *pdev) @@ -1705,7 +1706,11 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev) return ret; } - mtk_hdmi_register_audio_driver(dev); + ret = mtk_hdmi_register_audio_driver(dev); + if (ret) { + dev_err(dev, "Failed to register audio driver: %d\n", ret); + return ret; + } hdmi->bridge.funcs = &mtk_hdmi_bridge_funcs; hdmi->bridge.of_node = pdev->dev.of_node;