[PATCH] tvp7002: use devm_kzalloc() instead of kzalloc()

From: Lad, Prabhakar
Date: Thu Jan 03 2013 - 08:29:02 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/tvp7002.c | 10 ++--------
1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c
index fb6a5b5..2d4c86e 100644
--- a/drivers/media/i2c/tvp7002.c
+++ b/drivers/media/i2c/tvp7002.c
@@ -1036,7 +1036,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
return -ENODEV;
}

- device = kzalloc(sizeof(struct tvp7002), GFP_KERNEL);
+ device = devm_kzalloc(&c->dev, sizeof(struct tvp7002), GFP_KERNEL);

if (!device)
return -ENOMEM;
@@ -1088,17 +1088,12 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
V4L2_CID_GAIN, 0, 255, 1, 0);
sd->ctrl_handler = &device->hdl;
if (device->hdl.error) {
- int err = device->hdl.error;
-
v4l2_ctrl_handler_free(&device->hdl);
- kfree(device);
- return err;
+ return device->hdl.error;
}
v4l2_ctrl_handler_setup(&device->hdl);

found_error:
- if (error < 0)
- kfree(device);

return error;
}
@@ -1120,7 +1115,6 @@ static int tvp7002_remove(struct i2c_client *c)

v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&device->hdl);
- kfree(device);
return 0;
}

--
1.7.4.1

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