| From 919054fdfc8adf58c5512fe9872eb53ea0f5525d Mon Sep 17 00:00:00 2001 |
| From: Arvind Yadav <arvind.yadav.cs@gmail.com> |
| Date: Tue, 6 Jun 2017 15:04:46 +0530 |
| Subject: thermal: hisilicon: Handle return value of clk_prepare_enable |
| |
| From: Arvind Yadav <arvind.yadav.cs@gmail.com> |
| |
| commit 919054fdfc8adf58c5512fe9872eb53ea0f5525d upstream. |
| |
| 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> |
| Signed-off-by: Kevin Wangtao <kevin.wangtao@hisilicon.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/thermal/hisi_thermal.c | 5 ++++- |
| 1 file changed, 4 insertions(+), 1 deletion(-) |
| |
| --- a/drivers/thermal/hisi_thermal.c |
| +++ b/drivers/thermal/hisi_thermal.c |
| @@ -397,8 +397,11 @@ static int hisi_thermal_suspend(struct d |
| 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); |