[PATCH] mt9t001: fix clean up in case of power-on failures

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If the driver fails to reset the camera or to set up control handlers, it
has to power the camera back off.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
 drivers/media/i2c/mt9t001.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/media/i2c/mt9t001.c b/drivers/media/i2c/mt9t001.c
index 8ae99f7..f262cf2 100644
--- a/drivers/media/i2c/mt9t001.c
+++ b/drivers/media/i2c/mt9t001.c
@@ -233,10 +233,21 @@ static int __mt9t001_set_power(struct mt9t001 *mt9t001, bool on)
 	ret = mt9t001_reset(mt9t001);
 	if (ret < 0) {
 		dev_err(&client->dev, "Failed to reset the camera\n");
-		return ret;
+		goto e_power;
 	}
 
-	return v4l2_ctrl_handler_setup(&mt9t001->ctrls);
+	ret = v4l2_ctrl_handler_setup(&mt9t001->ctrls);
+	if (ret < 0) {
+		dev_err(&client->dev, "Failed to set up control handlers\n");
+		goto e_power;
+	}
+
+	return 0;
+
+e_power:
+	mt9t001_power_off(mt9t001);
+
+	return ret;
 }
 
 /* -----------------------------------------------------------------------------
-- 
1.9.3

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