[PATCH] adv7343: use devm_kzalloc() instead of kzalloc()

From: Lad, Prabhakar
Date: Thu Jan 03 2013 - 08:22:53 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/adv7343.c | 13 ++++---------
1 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c
index 2b5aa67..ceaf548 100644
--- a/drivers/media/i2c/adv7343.c
+++ b/drivers/media/i2c/adv7343.c
@@ -397,7 +397,8 @@ static int adv7343_probe(struct i2c_client *client,
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);

- state = kzalloc(sizeof(struct adv7343_state), GFP_KERNEL);
+ state = devm_kzalloc(&client->dev, sizeof(struct adv7343_state),
+ GFP_KERNEL);
if (state == NULL)
return -ENOMEM;

@@ -428,19 +429,14 @@ static int adv7343_probe(struct i2c_client *client,
ADV7343_GAIN_DEF);
state->sd.ctrl_handler = &state->hdl;
if (state->hdl.error) {
- int err = state->hdl.error;
-
v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- return err;
+ return state->hdl.error;
}
v4l2_ctrl_handler_setup(&state->hdl);

err = adv7343_initialize(&state->sd);
- if (err) {
+ if (err)
v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- }
return err;
}

@@ -451,7 +447,6 @@ static int adv7343_remove(struct i2c_client *client)

v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);

return 0;
}
--
1.7.4.1

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