linux-kernel - [PATCH] sound: fsl: add missing put_device() call in imx_hdmi

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Message-Id: <1638881818-3407-1-git-send-email-wangqing@vivo.com>
Date:   Tue,  7 Dec 2021 04:56:58 -0800
From:   Qing Wang <wangqing@...o.com>
To:     Nicolin Chen <nicoleotsuka@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Fabio Estevam <festevam@...il.com>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] sound: fsl: add missing put_device() call in imx_hdmi_probe()

From: Wang Qing <wangqing@...o.com>

of_find_device_by_node() takes a reference to the embedded struct device 
which needs to be dropped when error return.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 sound/soc/fsl/imx-hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index 929f69b..89fd8ad
--- a/sound/soc/fsl/imx-hdmi.c
+++ b/sound/soc/fsl/imx-hdmi.c
@@ -125,6 +125,7 @@ static int imx_hdmi_probe(struct platform_device *pdev)
 
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 	if (!data) {
+		put_device(&cpu_pdev->dev);
 		ret = -ENOMEM;
 		goto fail;
 	}
-- 
2.7.4