linux-kernel - [PATCH] media: ov7251: add missing clk_disable_unprepare() on error in ov7251_set_power

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Message-ID: <20220617013943.851327-1-yangyingliang@huawei.com>
Date:   Fri, 17 Jun 2022 09:39:43 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>
CC:     <mchehab@...nel.org>, <djrscally@...il.com>,
        <andriy.shevchenko@...ux.intel.com>, <sakari.ailus@...ux.intel.com>
Subject: [PATCH] media: ov7251: add missing clk_disable_unprepare() on error in ov7251_set_power_on()

Add the missing clk_disable_unprepare() before return
from ov7251_set_power_on() in the error handling case.

Fixes: 9e1d3012cc10 ("media: i2c: Remove .s_power() from ov7251")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/media/i2c/ov7251.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/ov7251.c b/drivers/media/i2c/ov7251.c
index 0e7be15bc20a..40c207d1d7af 100644
--- a/drivers/media/i2c/ov7251.c
+++ b/drivers/media/i2c/ov7251.c
@@ -934,6 +934,7 @@ static int ov7251_set_power_on(struct device *dev)
 					ARRAY_SIZE(ov7251_global_init_setting));
 	if (ret < 0) {
 		dev_err(ov7251->dev, "error during global init\n");
+		clk_disable_unprepare(ov7251->xclk);
 		ov7251_regulators_disable(ov7251);
 		return ret;
 	}
-- 
2.25.1