linux-kernel - [RFCv2 3/8] [media] si4713: use managed memory allocation

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Date:	Tue, 21 Oct 2014 17:07:02 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Hans Verkuil <hans.verkuil@...co.com>, linux-media@...r.kernel.org
Cc:	Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Sebastian Reichel <sre@...nel.org>
Subject: [RFCv2 3/8] [media] si4713: use managed memory allocation

Introduce the usage of managed memory allocation to
simplify the code slightly.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 drivers/media/radio/si4713/si4713.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/radio/si4713/si4713.c b/drivers/media/radio/si4713/si4713.c
index e560a7e..efc5d6b 100644
--- a/drivers/media/radio/si4713/si4713.c
+++ b/drivers/media/radio/si4713/si4713.c
@@ -1450,7 +1450,7 @@ static int si4713_probe(struct i2c_client *client,
 	struct v4l2_ctrl_handler *hdl;
 	int rval, i;
 
-	sdev = kzalloc(sizeof(*sdev), GFP_KERNEL);
+	sdev = devm_kzalloc(&client->dev, sizeof(*sdev), GFP_KERNEL);
 	if (!sdev) {
 		dev_err(&client->dev, "Failed to alloc video device.\n");
 		rval = -ENOMEM;
@@ -1467,7 +1467,7 @@ static int si4713_probe(struct i2c_client *client,
 	} else {
 		rval = PTR_ERR(sdev->gpio_reset);
 		dev_err(&client->dev, "Failed to request gpio: %d\n", rval);
-		goto free_sdev;
+		goto exit;
 	}
 
 	sdev->vdd = devm_regulator_get_optional(&client->dev, "vdd");
@@ -1615,8 +1615,6 @@ free_irq:
 		free_irq(client->irq, sdev);
 free_ctrls:
 	v4l2_ctrl_handler_free(hdl);
-free_sdev:
-	kfree(sdev);
 exit:
 	return rval;
 }
@@ -1635,7 +1633,6 @@ static int si4713_remove(struct i2c_client *client)
 
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
-	kfree(sdev);
 
 	return 0;
 }
-- 
2.1.1

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