gpio: mb86s7x: 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: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c
index ffb73f688ae13062595b3f83a8730086e800ab03..94d772677ed69c0f4d27c98c105525b6a0f0aba1 100644 (file)
--- 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);