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Subject[PATCH] media: ov772x: Disable clk on error path
Date
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>
---
drivers/media/i2c/ov772x.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c
index e2550708abc8..7b62bf1fc5b1 100644
--- a/drivers/media/i2c/ov772x.c
+++ b/drivers/media/i2c/ov772x.c
@@ -828,6 +828,7 @@ 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 \"rstb\"");
+ clk_disable_unprepare(priv->clk);
return PTR_ERR(priv->rstb_gpio);
}

--
2.7.4
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