media: ov772x: Disable clk on error path

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 <[email protected]> Acked-by: Jacopo Mondi <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
josf · Aug 31, 2018 · 1d18c2c · 1d18c2c
1 parent 1526dbe
commit 1d18c2c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/media/i2c/ov772x.c b/drivers/media/i2c/ov772x.c
@@ -864,6 +864,7 @@ 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);
 	}