From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Tue, 1 Aug 2017 12:13:05 +0530
Subject: gpio: mb86s7x: Handle return value of clk_prepare_enable.
Git-commit: d829b37ae3bfdb7252e63bd098ad75a96adabe97
Patch-mainline: v4.14-rc1
References: bsc#1132778
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: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/gpio/gpio-mb86s7x.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c
index ffb73f688ae1..94d772677ed6 100644
--- a/drivers/gpio/gpio-mb86s7x.c
+++ b/drivers/gpio/gpio-mb86s7x.c
@@ -168,7 +168,9 @@ static int mb86s70_gpio_probe(struct platform_device *pdev)
if (IS_ERR(gchip->clk))
return PTR_ERR(gchip->clk);
- clk_prepare_enable(gchip->clk);
+ ret = clk_prepare_enable(gchip->clk);
+ if (ret)
+ return ret;
spin_lock_init(&gchip->lock);
--
2.11.0