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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 From: Tzung-Bi Shih To: broonie@kernel.org, airlied@linux.ie, daniel@ffwll.ch 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 Subject: [alsa-devel] [PATCH v2 1/3] drm/mediatek: exit earlier if failed to register audio driver X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Exits earlier if register_audio_driver() returns errors. Signed-off-by: Tzung-Bi Shih --- 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;