[PATCH] tvp514x: use devm_kzalloc() instead of kzalloc()

From: Lad, Prabhakar
Date: Thu Jan 03 2013 - 08:23:48 EST


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

Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx>
Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx>
---
drivers/media/i2c/tvp514x.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

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 */
--
1.7.4.1

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