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gpio: dwapb: Fix error handling in dwapb_gpio_probe() 

If dwapb_gpio_add_port() fails in dwapb_gpio_probe(),
gpio->clk is left undisabled.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexey Khoroshilov 2018-08-28 23:40:26 +03:00 committed by Linus Walleij
parent 78d3a92edb
commit a618cf4800
1 changed files with 1 additions and 0 deletions
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1
drivers/gpio/gpio-dwapb.c
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@ -728,6 +728,7 @@ static int dwapb_gpio_probe(struct platform_device *pdev)
out_unregister:
dwapb_gpio_unregister(gpio);
dwapb_irq_teardown(gpio);
clk_disable_unprepare(gpio->clk);
return err;
}