From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Tue, 6 Jun 2017 09:34:46 +0000 (+0530)
Subject: thermal: hisilicon: Handle return value of clk_prepare_enable
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=919054fdfc8adf58c5512fe9872eb53ea0f5525d;p=linux.git

thermal: hisilicon: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
---

diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index f6429666a1cfe..9c3ce341eb975 100644
--- a/drivers/thermal/hisi_thermal.c
+++ b/drivers/thermal/hisi_thermal.c
@@ -397,8 +397,11 @@ static int hisi_thermal_suspend(struct device *dev)
 static int hisi_thermal_resume(struct device *dev)
 {
 	struct hisi_thermal_data *data = dev_get_drvdata(dev);
+	int ret;
 
-	clk_prepare_enable(data->clk);
+	ret = clk_prepare_enable(data->clk);
+	if (ret)
+		return ret;
 
 	data->irq_enabled = true;
 	hisi_thermal_enable_bind_irq_sensor(data);