tvp514x: use devm_kzalloc() instead of kzalloc()

Commit Message

Lad, Prabhakar Jan. 3, 2013, 1:22 p.m. UTC

I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.

Signed-off-by: Lad, Prabhakar <[e-mail]>
Signed-off-by: Manjunath Hadli <[e-mail]>
---
 drivers/media/i2c/tvp514x.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
index d5e1021..53608ee 100644
--- a/drivers/media/i2c/tvp514x.c
+++ b/drivers/media/i2c/tvp514x.c
@@ -951,7 +951,7 @@  tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		return -ENODEV;
 	}
 
-	decoder = kzalloc(sizeof(*decoder), GFP_KERNEL);
+	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
 	if (!decoder)
 		return -ENOMEM;
 
@@ -995,11 +995,8 @@  tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
 	sd->ctrl_handler = &decoder->hdl;
 	if (decoder->hdl.error) {
-		int err = decoder->hdl.error;
-
 		v4l2_ctrl_handler_free(&decoder->hdl);
-		kfree(decoder);
-		return err;
+		return decoder->hdl.error;
 	}
 	v4l2_ctrl_handler_setup(&decoder->hdl);
 
@@ -1023,7 +1020,6 @@  static int tvp514x_remove(struct i2c_client *client)
 
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(&decoder->hdl);
-	kfree(decoder);
 	return 0;
 }
 /* TVP5146 Init/Power on Sequence */