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media: ov772x: Disable clk on error path

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[ Upstream commit 1d18c2cd9d ]

If ov772x_power_on() is unable to get GPIO rstb,
the clock is left undisabled.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexey Khoroshilov 2018-08-15 16:10:39 -04:00 committed by Greg Kroah-Hartman
parent b489c1e010
commit fe9048c7bb
1 changed files with 1 additions and 0 deletions
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1
drivers/media/i2c/ov772x.c
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@ -896,6 +896,7 @@ static int ov772x_power_on(struct ov772x_priv *priv)
GPIOD_OUT_LOW);
if (IS_ERR(priv->rstb_gpio)) {
dev_info(&client->dev, "Unable to get GPIO \"reset\"");
clk_disable_unprepare(priv->clk);
return PTR_ERR(priv->rstb_gpio);
}