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From: <yuechao.zhao@advantech.com.cn>
To: <345351830@qq.com>
Cc: <amy.shih@advantech.com.tw>, <oakley.ding@advantech.com.tw>,
	<jia.sui@advantech.com.cn>,
	Yuechao Zhao <yuechao.zhao@advantech.com.cn>,
	Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>, <linux-hwmon@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: [v1,1/1 1/2] Check the timeout module parameter is in the min-max range
Date: Wed, 27 May 2020 01:18:38 +0000	[thread overview]
Message-ID: <1590542319-35736-1-git-send-email-yuechao.zhao@advantech.com.cn> (raw)

From: Yuechao Zhao <yuechao.zhao@advantech.com.cn>

Check the return value of 'watchdog_init_timeout()' for checking the
timeout module parameter is in the min-max range.

Signed-off-by: Yuechao Zhao <yuechao.zhao@advantech.com.cn>
---
 drivers/hwmon/nct7904.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
index 18c95be..d069d59 100644
--- a/drivers/hwmon/nct7904.c
+++ b/drivers/hwmon/nct7904.c
@@ -1152,7 +1152,10 @@ static int nct7904_probe(struct i2c_client *client,
 	data->wdt.max_timeout = MAX_TIMEOUT;
 	data->wdt.parent = &client->dev;
 
-	watchdog_init_timeout(&data->wdt, timeout * 60, &client->dev);
+	ret = watchdog_init_timeout(&data->wdt, timeout * 60, &client->dev);
+	if (ret < 0)
+		return ret;
+
 	watchdog_set_nowayout(&data->wdt, nowayout);
 	watchdog_set_drvdata(&data->wdt, data);
 
-- 
1.8.3.1


             reply	other threads:[~2020-05-27  1:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27  1:18 yuechao.zhao [this message]
2020-05-27  1:18 ` [v1,1/1 2/2] Set the default timeout yuechao.zhao
2020-05-27  1:46   ` Guenter Roeck
2020-05-27  1:42 ` [v1,1/1 1/2] Check the timeout module parameter is in the min-max range Guenter Roeck

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