4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexey Khoroshilov <[email protected]>

[ Upstream commit a618cf4800970d260871c159b7eec014a1da2e81 ]

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 <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/gpio/gpio-dwapb.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -726,6 +726,7 @@ static int dwapb_gpio_probe(struct platf
 out_unregister:
        dwapb_gpio_unregister(gpio);
        dwapb_irq_teardown(gpio);
+       clk_disable_unprepare(gpio->clk);
 
        return err;
 }


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