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gpio: mb86s7x: Handle return value of clk_prepare_enable.

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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>
This commit is contained in:
Arvind Yadav 2017-08-01 12:13:05 +05:30 committed by Linus Walleij
parent 01062ad31b
commit d829b37ae3
1 changed files with 3 additions and 1 deletions
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4
drivers/gpio/gpio-mb86s7x.c
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@ -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);