adv7343: 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/adv7343.c |   13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)

Patch

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;
 }