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Message-Id: <20181008175621.075533585@linuxfoundation.org>
Date:   Mon,  8 Oct 2018 20:30:07 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alexey Khoroshilov <khoroshilov@...ras.ru>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.18 027/168] gpio: dwapb: Fix error handling in dwapb_gpio_probe()

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

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

From: Alexey Khoroshilov <khoroshilov@...ras.ru>

[ 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 <khoroshilov@...ras.ru>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 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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