[PATCH] thermal: hisilicon: Handle return value of clk_prepare_enable

From: Arvind Yadav
Date: Tue Jun 06 2017 - 05:35:10 EST


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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/thermal/hisi_thermal.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index f642966..9c3ce34 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);
--
1.9.1